McqMate
101. |
While computing F ratio, customarily, the larger variance is taken as ..................... |
A. | Denominator |
B. | Numerator |
C. | Either way |
D. | None of these |
Answer» B. Numerator |
102. |
Chi-square test was first used by ............................... |
A. | R A Fisher |
B. | William Gosset |
C. | James Bernoulli |
D. | Karl Pearson |
Answer» D. Karl Pearson |
103. |
The Chi-squre quantity ranges from ........................ to ........................... |
A. | – 1 to + 1 |
B. | – ∞ to ∞ |
C. | 0 to ∞ |
D. | 0 to 1 |
Answer» C. 0 to ∞ |
104. |
Degrees of freedom for Chi-squre test in case of contingency table of order (2x2) is: |
A. | 4 |
B. | 3 |
C. | 2 |
D. | 1 |
Answer» D. 1 |
105. |
Degrees of freedom for Chi-squre test in case of contingency table of order (4x3) is: |
A. | 4 |
B. | 3 |
C. | 6 |
D. | 7 |
Answer» C. 6 |
106. |
Degrees of freedom for Chi-squre test in case of contingency table of order (5x5) is: |
A. | 25 |
B. | 16 |
C. | 10 |
D. | Infinity |
Answer» B. 16 |
107. |
The magnitude of the difference between observed frequencies and expected frequencies is called ....................... |
A. | F value |
B. | Z value |
C. | t value |
D. | Chi-square value |
Answer» D. Chi-square value |
108. |
When the expected frequencies and observed frequencies completely coincide, the chi- square value will be .............................. |
A. | + 1 |
B. | – 1 |
C. | 0 |
D. | None of these |
Answer» C. 0 |
109. |
If the discrepancy between observed and expected frequencies are greater, ......................... will be the chi-square value. |
A. | Greater |
B. | Smaller |
C. | Zero |
D. | None of these |
Answer» A. Greater |
110. |
Calculated value of chi-square is always........................ |
A. | Positive |
B. | Negative |
C. | Zero |
D. | None of these |
Answer» A. Positive |
111. |
While applying chi-square test, the frequency in any cell should not be ...................... |
A. | More than 5 |
B. | Less than 5 |
C. | More than 10 |
D. | Less than 10 |
Answer» B. Less than 5 |
112. |
Analysis of variance utilises.................. |
A. | F test |
B. | Chi square test |
C. | Z test |
D. | t test |
Answer» A. F test |
113. |
In one way ANOVA, the variances are: |
A. | Within samples |
B. | Between samples |
C. | Total |
D. | All |
Answer» D. All |
114. |
The technique of analysis of variance was developed by ............................. |
A. | Frank Wilcoxon |
B. | Karl Pearson |
C. | R A Fisher |
D. | Kolmogrov |
Answer» C. R A Fisher |
115. |
Non-parametric test is : |
A. | Distribution free test |
B. | Not concerned with parameter |
C. | Does not depend on the particular form of the distribution |
D. | None of these |
Answer» D. None of these |
116. |
.........................tests follow assumptions about population parameters. |
A. | Parametric |
B. | Non-parametric |
C. | One-tailed |
D. | Two-tailed |
Answer» A. Parametric |
117. |
........................is the simplest and most widely used non-parametric test |
A. | Sign test |
B. | K-S test |
C. | Chi-square tst |
D. | Wilcoxon matched paired test |
Answer» C. Chi-square tst |
118. |
Runs test was designed by ............................. |
A. | Kruskal and Wallis |
B. | Kolmogrov and Smirnov |
C. | Wald wolfowitz |
D. | Karl Pearson |
Answer» C. Wald wolfowitz |
119. |
Which one of the following is a non-parametric test? |
A. | F test |
B. | Z test |
C. | t test |
D. | Wilcoxon test |
Answer» A. F test |
120. |
Control charts are also termed as............................... |
A. | Shewart charts |
B. | Process behaviour chart |
C. | Both a and b |
D. | None of these |
Answer» C. Both a and b |
121. |
What type of chart will be used to plot the number of defective in the output of any process? |
A. | x̄ chart |
B. | R chart |
C. | C chart |
D. | P chart |
Answer» D. P chart |
122. |
Process control is carried out: |
A. | Before production |
B. | During production |
C. | After production |
D. | All of the above |
Answer» B. During production |
123. |
The dividing lines between random and non-random deviations from mean of the distribution are known as .......................... |
A. | Upper Control Limit |
B. | Lower Control Limit |
C. | Control Limits |
D. | Two sigma limit |
Answer» C. Control Limits |
124. |
The control charts used to monitor variable is........................... |
A. | Range chart |
B. | P-chart |
C. | C-chart |
D. | All of the above |
Answer» A. Range chart |
125. |
The control charts used to monitor attributes is............................ |
A. | Range chart |
B. | P-chart |
C. | C-chart |
D. | All of the above |
Answer» B. P-chart |
126. |
The control charts used for the fraction of defective items in a sample is............................ |
A. | Range chart |
B. | P-chart |
C. | C-chart |
D. | Mean chart |
Answer» B. P-chart |
127. |
The control charts used for the number of defects per unit is: |
A. | Range chart |
B. | P-chart |
C. | C-chart |
D. | Mean chart |
Answer» C. C-chart |
128. |
........................is user for testing goodness of fit. |
A. | Wilcoxon test |
B. | Sign test |
C. | K-S Test |
D. | Chi-square test |
Answer» D. Chi-square test |
129. |
Which of the following is a non-parametric test? |
A. | F-test |
B. | Z-test |
C. | Wilcoxon test |
D. | All of the above |
Answer» C. Wilcoxon test |
130. |
Regression coefficient is independent of........................... |
A. | Origin |
B. | Scale |
C. | Both a and b |
D. | Neither origin nor scale |
Answer» A. Origin |
131. |
The geometric mean of the two regression coefficient, bxy and byx is equal to: |
A. | R |
B. | r2 |
C. | 1 |
D. | None of the above |
Answer» A. R |
132. |
In a correlation analysis, if r= 0, then we may say that there is .................. between variables. |
A. | No correlation |
B. | Linear correlation |
C. | Perfect correlation |
D. | none of these |
Answer» A. No correlation |
133. |
If ‘r’ is the correlation coefficient between two variables, then: |
A. | 0 < r < 1 |
B. | – 1 ≤ r ≤ 1 |
C. | r ≥ 0 |
D. | r ≤ 0 |
Answer» B. – 1 ≤ r ≤ 1 |
134. |
Statistics can be best considered as |
A. | an art |
B. | science |
C. | both art as well as science |
D. | art and philosophy |
Answer» C. both art as well as science |
135. |
The mid point of a class is obtained by |
A. | adding upper and lower limit |
B. | deducting upper limit from the lower limit |
C. | dividing the diference of upper and lower limit by 2 |
D. | ading upper and lower limit and dividing by 2 |
Answer» D. ading upper and lower limit and dividing by 2 |
136. |
The algebraic sum of the deviations of a set of a n values from their arithmetic mean is |
A. | n |
B. | 0 |
C. | 1 |
D. | -1 |
Answer» B. 0 |
137. |
Standard deviation is |
A. | absolute measure |
B. | relative measure |
C. | both |
D. | none |
Answer» A. absolute measure |
138. |
Coefficient of variation is a relative measure of |
A. | mean |
B. | standard deviation |
C. | range |
D. | dispersion |
Answer» D. dispersion |
139. |
In a business house, statistics decreases the: |
A. | risk |
B. | uncertainty |
C. | profit |
D. | sales |
Answer» B. uncertainty |
140. |
Cartograph is a: |
A. | line diagram |
B. | bar diagram |
C. | map |
D. | circle |
Answer» C. map |
141. |
Statistical results are all the time: |
A. | qualitative one |
B. | an average |
C. | an exact result |
D. | an isolated number |
Answer» B. an average |
142. |
Economics cannot be a successful subject without: |
A. | business |
B. | commerce |
C. | statistics |
D. | management |
Answer» C. statistics |
143. |
The arithmetic mean between 5 + 3 and 5 - 3 is: |
A. | 3 |
B. | 3 |
C. | 5 |
D. | 5 |
Answer» C. 5 |
144. |
The geometric mean of two numbers is 16. If one number is 32, the other number is: |
A. | 4 |
B. | 6 |
C. | 8 |
D. | 10 |
Answer» C. 8 |
145. |
The harmonic mean of 4 and 6 is: |
A. | 4.5 |
B. | 4.8 |
C. | 5 |
D. | 5.5 |
Answer» B. 4.8 |
146. |
Difference between highest and lowest value called: |
A. | standard deviation |
B. | Mean Deviation |
C. | Quartile Deviation |
D. | Range |
Answer» D. Range |
147. |
Statistics deals only with |
A. | quantitative characteristics |
B. | qualitative characteristics |
C. | both (a) and (b) |
D. | none of the above |
Answer» A. quantitative characteristics |
148. |
Open-end classes are those in which |
A. | lower limit of the first class and the upper limit of the last class are known |
B. | lower limit of the first class and the upper limit of the last class are not known |
C. | only lower limit of the first class are known |
D. | none of the above |
Answer» A. lower limit of the first class and the upper limit of the last class are known |
149. |
Relationship of mean, median and mode according to Karl Pearson is |
A. | mode = 2median – 3mean |
B. | median = 2mode – 2mean |
C. | mode = 3median – 2 mean |
D. | none of the above |
Answer» C. mode = 3median – 2 mean |
150. |
The sum of the squares of the deviations of the values of a variable is least when the deviations are measured from |
A. | harmonic mean |
B. | geometric mean |
C. | arithmetic mean |
D. | none of the above |
Answer» C. arithmetic mean |
151. |
Mean deviation is |
A. | a relative measures |
B. | an absolute measures |
C. | both (a) and (b) |
D. | none of the above |
Answer» B. an absolute measures |
152. |
Interquartile range is the difference between |
A. | the highest value and the lowest value |
B. | median and mean |
C. | the third quartile and the first quartile |
D. | none of the above |
Answer» C. the third quartile and the first quartile |
153. |
The measures of dispersion can never be |
A. | positive |
B. | negative |
C. | zero |
D. | none of the above |
Answer» B. negative |
154. |
Which of the following is least when deviations are taken from the median |
A. | range |
B. | quartile deviation |
C. | mean deviation |
D. | standard deviation |
Answer» C. mean deviation |
155. |
Which average is affected most by extreme observation? |
A. | Mode |
B. | Median |
C. | Geometric mean |
D. | None of the above |
Answer» B. Median |
156. |
A geometric mean of two numbers 12 and 27 is |
A. | 9 |
B. | 12 |
C. | 18 |
D. | 21 |
Answer» C. 18 |
157. |
Statistics can be best considered as |
A. | An art |
B. | Science |
C. | Both art as well as science |
D. | None of the above |
Answer» C. Both art as well as science |
158. |
The total of all the observations divided by the number of observations is called |
A. | Arithmetic mean |
B. | Geometric mean |
C. | Median |
D. | Harmonic mean |
Answer» A. Arithmetic mean |
159. |
Lowest value of variance can be |
A. | 1 |
B. | -1 |
C. | 2 |
D. | 0 |
Answer» D. 0 |
160. |
The standard deviation and variance are _______ of origin? |
A. | Multiplied |
B. | Variance |
C. | Independent |
D. | None of the above |
Answer» C. Independent |
161. |
Statistics can be best considered as: |
A. | a science |
B. | an art |
C. | both science as well as art |
D. | neither science nor art |
Answer» C. both science as well as art |
162. |
Statistics is helpful in: |
A. | formulating and testing hypothesis |
B. | prediction |
C. | formulation of suitable policies |
D. | all of the above |
Answer» D. all of the above |
163. |
A set of vertical bars whose areas are proportional to the frequencies represented is known as: |
A. | Histogram |
B. | Frequency polygon |
C. | Ogive |
D. | none of the above |
Answer» A. Histogram |
164. |
The value in a series of observations which occurs with the greatest frequency is called: |
A. | median |
B. | mean deviation |
C. | standard deviation |
D. | mode |
Answer» D. mode |
165. |
What is the median of the sample 5, 5, 11, 9, 8, 5, 8? |
A. | 5 |
B. | 6 |
C. | 8 |
D. | 9 |
Answer» C. 8 |
166. |
Karl Pearson has expressed the relationship between Mean, Median, and Mode as: |
A. | Mode = Mean – 3 [Mean – Median] |
B. | Mode = 3 Median – 2 Mean |
C. | Median = Mode + 2/3 [Mean – Mode] |
D. | All of the above |
Answer» D. All of the above |
167. |
The average difference between the items in a distribution and the median or mean of that series is known as: |
A. | Range |
B. | Mean deviation |
C. | Inter-quartile range |
D. | Standard deviation |
Answer» B. Mean deviation |
168. |
If all the scores on examination cluster around the mean, the dispersion is said to be: |
A. | Small |
B. | Large |
C. | Normal |
D. | Symmetrical |
Answer» A. Small |
169. |
If two events cannot occur simultaneously at the same trial then they are |
A. | dependent events |
B. | independent events |
C. | mutually exclusive events |
D. | simple events |
Answer» C. mutually exclusive events |
170. |
If two events A and B are independent, the probability that they will both occur is given by |
A. | P (A) + P (B) |
B. | P (A) x P (B) |
C. | P (A) – P (B) |
D. | P (A) + P (B) – P (AB) |
Answer» B. P (A) x P (B) |
171. |
Those in which the occurence or non occurence of an event in any one trial affects the probability of other event in other trial. This is known as |
A. | dependent event |
B. | independent event |
C. | complementary event |
D. | exhaustive event |
Answer» A. dependent event |
172. |
If the probability of drawing a spade from a well shuffled pack of playing card is 14 then the probability that of the card drawn from a well shuffled pack of playing card is ‘not a spade’ is |
A. | 1 |
B. | 12 |
C. | 14 |
D. | 34 |
Answer» D. 34 |
173. |
The coefficient of correlation |
A. | has no limit |
B. | should be less than 1 |
C. | should be more than 1 |
D. | varies between -1 and +1 |
Answer» D. varies between -1 and +1 |
174. |
In a box, there are 8 red,7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green? |
A. | 1/3 |
B. | 3/4 |
C. | 7/19 |
D. | 9/21 |
Answer» A. 1/3 |
175. |
Probability sampling and random sampling are |
A. | Anonymous |
B. | Different terms |
C. | Synonymous |
D. | None of the above |
Answer» C. Synonymous |
176. |
Coefficient of correlation will be always |
A. | More than 0 |
B. | More than -1 |
C. | Less than -1 |
D. | Between -1 and +1 |
Answer» D. Between -1 and +1 |
177. |
We can measure the cause and effect relationship by the help of |
A. | Time series analysis |
B. | Cross-sectional analysis |
C. | Correlation analysis |
D. | Regression analysis |
Answer» D. Regression analysis |
178. |
The total events to throw three dice simultaneously is |
A. | 6 |
B. | 18 |
C. | 21 |
D. | 216 |
Answer» D. 216 |
179. |
Which of the following cannot be the probability of an event? |
A. | 1.5 |
B. | 3/5 |
C. | 25% |
D. | 0.3 |
Answer» A. 1.5 |
180. |
When the two regression lines are parallel to each other, then their slopes are |
A. | Zero |
B. | Different |
C. | Same |
D. | Positive |
Answer» C. Same |
181. |
In scatter diagram, if most of the points lie in the first and third quadrants, then coefficient of correlation is: |
A. | Negative |
B. | Positive |
C. | Zero |
D. | All the above |
Answer» B. Positive |
182. |
Rank correlation coefficient is also known as 10 |
A. | Pearsonian Correlation Coefficient |
B. | Pearson’s Correlation Coefficient |
C. | Random Correlation Coefficient |
D. | Spearman’s Correlation Coefficient |
Answer» D. Spearman’s Correlation Coefficient |
183. |
Correlation does not imply |
A. | negative correlation |
B. | cause-effect relationship |
C. | relativity |
D. | correction relationship |
Answer» B. cause-effect relationship |
184. |
The value of the correlation coefficient ranges from |
A. | 0 to 1 |
B. | -1 to 0 |
C. | -1 to 1 |
D. | 0 to 10 |
Answer» C. -1 to 1 |
185. |
If both the variables are varying in the same direction, the correlation is said to be |
A. | Positive correlation |
B. | Negative correlation |
C. | Partial correlation |
D. | None of the above |
Answer» A. Positive correlation |
186. |
When two events cannot occur simultaneously in a single trial it is called |
A. | Mutually exclusive events |
B. | Collectively exclusive events |
C. | Mutually exhaustive events |
D. | None of the above |
Answer» A. Mutually exclusive events |
187. |
When the outcome of one event does not affect the outcome of the other it is said to be |
A. | Dependent event |
B. | Independent event |
C. | Mutually exclusive event |
D. | Equally likely events |
Answer» B. Independent event |
188. |
Regression coefficient is independent of |
A. | Origin |
B. | Scale |
C. | Both origin and scale |
D. | None of the above |
Answer» A. Origin |
189. |
The slope of regression line of Y on X is also called the |
A. | Correlation coefficient of Y on X |
B. | Correlation coefficient of X on Y |
C. | Regression coefficient of X on Y |
D. | Regression coefficient of Y on X |
Answer» D. Regression coefficient of Y on X |
190. |
Two events that cannot be happened simultaneously is known as: |
A. | Exhaustive events |
B. | Independent events |
C. | Mutually exclusive events |
D. | none of the above |
Answer» C. Mutually exclusive events |
191. |
If two events A and B are mutually exclusive the probability of the occurrence of either A or B is the sum individual probability of A and B. This theorem is called: |
A. | Multiplication theorem |
B. | Addition theorem |
C. | Classical probability |
D. | Subtraction theorem |
Answer» B. Addition theorem |
192. |
One card is drawn from a standard pack of 52. What is the probability that the card drawn is a king? |
A. | 4/52 |
B. | 1/4 |
C. | 1/52 |
D. | 52/4 |
Answer» A. 4/52 |
193. |
A dice is thrown. Find the probability of getting an even number? |
A. | 2/6 |
B. | 3/6 |
C. | 4/6 |
D. | 5/6 |
Answer» B. 3/6 |
194. |
If both variables are varying in the opposite direction, it is called: |
A. | Partial correlation |
B. | Positive correlation |
C. | High degree of correlation |
D. | Negative correlation |
Answer» D. Negative correlation |
195. |
In perfect positive correlation: |
A. | r = 0 |
B. | r = -1 |
C. | r = +1 |
D. | r = +/- 1 |
Answer» C. r = +1 |
196. |
In regression analysis, the variable that is being predicted is the |
A. | explained or dependentvariable |
B. | independent variable |
C. | intervening variable |
D. | is usually x |
Answer» A. explained or dependentvariable |
197. |
The coefficient of correlation |
A. | is the square of the coefficient of determination |
B. | is the square root of the coefficient of determination |
C. | is the same as r-square |
D. | can never be negative |
Answer» B. is the square root of the coefficient of determination |
198. |
The total current year prices for the various commodities in question is divided by the total of base year prices and the quotient is multiplied under |
A. | simple aggregative method |
B. | simple average of relative method |
C. | weighted aggregative method |
D. | Laspeyres’ methos |
Answer» A. simple aggregative method |
199. |
Fishers’ index number is |
A. | The median of Laspeyres’ and Paasches’ index |
B. | The arithmetic mean of Laspeyres’ and Paasches’ index |
C. | The geometric mean of Laspeyres and Paasches’ index |
D. | The harmonic mean of Laspeyres’ and Paasches’ index |
Answer» C. The geometric mean of Laspeyres and Paasches’ index |
200. |
A component of time series used for short term forecast is |
A. | trend |
B. | seasonal |
C. | cyclical |
D. | irregular |
Answer» A. trend |
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