McqMate
Chapters
201. |
The Correlation coefficient between two variables is the………………..of their regression coefficients. |
A. | Arithmetic mean |
B. | Geometric mean |
C. | Harmonic mean |
D. | None of these |
Answer» B. Geometric mean |
202. |
The percent of the total variation of the dependent variable Y explained by the set of independent variables X is measured by: |
A. | Coefficient of Correlation |
B. | Coefficient of Skewness |
C. | Coefficient of Determination |
D. | Standard error |
Answer» C. Coefficient of Determination |
203. |
The value of the correlation coefficient lies between |
A. | -1 and +1 |
B. | -1 and 0 |
C. | 0 and 1 |
D. | None |
Answer» A. -1 and +1 |
204. |
A Scatter diagram is considered for measuring |
A. | Linear relationship between two variables |
B. | Curvilinear relationship between two variables |
C. | Neither a or b |
D. | Both a and b |
Answer» D. Both a and b |
205. |
The maximum value of the Rank Correlation coefficient is |
A. | +1 |
B. | -1 |
C. | 0 |
D. | None of these |
Answer» A. +1 |
206. |
What is the purpose of a simple linear regression? |
A. | To predict scores on a dependent variable from scores on a single independent variable |
B. | To predict scores on an independent variable from scores on multiple dependent variables |
C. | To predict scores on a dependent variable from scores on multiple independent variables |
D. | None of Above |
Answer» A. To predict scores on a dependent variable from scores on a single independent variable |
207. |
If r is the simple correlation coefficient, the quantity 𝑟2 is known as ................... |
A. | Coefficient of determination |
B. | Coefficient of non-determination |
C. | Coefficient of alienation |
D. | None of these |
Answer» A. Coefficient of determination |
208. |
Asimpleindexnumberis anumberthatmeasures arelativechangein ? |
A. | group of variable with respect to a base |
B. | single variable with respect to a base |
C. | Both A &B |
D. | None of theabove |
Answer» B. single variable with respect to a base |
209. |
Which index number is called as ideal index number. |
A. | Lasperys |
B. | Paasches |
C. | Fisher |
D. | None of Above |
Answer» C. Fisher |
210. |
Secular trend can be measured by: |
A. | Two methods |
B. | Three methods |
C. | Four methods |
D. | Five methods |
Answer» C. Four methods |
211. |
Fishers price index number is the ------- |
A. | A.M. of Lasperys and Paasches. |
B. | G.M. of Lasperys and Paasches. |
C. | Difference between Lasperys and Paasches |
D. | None of the above. |
Answer» B. G.M. of Lasperys and Paasches. |
212. |
Relative Method is further divided into how many types? |
A. | One |
B. | two |
C. | None of the above |
D. | All of the Above. |
Answer» B. two |
213. |
In Price Index Numbers prices can either be ? |
A. | Retail |
B. | wholesale |
C. | Both I and II |
D. | None of the above. |
Answer» C. Both I and II |
214. |
While computing a weighted index, the current period quantities are used in the: |
A. | Laspeyre's method |
B. | Paasche's method |
C. | Marshall Edgeworth method |
D. | Fisher's ideal method |
Answer» B. Paasche's method |
215. |
………….is a point of reference in comparing various data describing individual behaviour. |
A. | Sample |
B. | Base period |
C. | Estimation |
D. | None |
Answer» B. Base period |
216. |
Wheat crops badly damaged on account of rains is: |
A. | Cyclical movement |
B. | Random movement |
C. | Secular trend |
D. | Seasonal movement |
Answer» B. Random movement |
217. |
A complete business cycle consists of a period of: |
A. | Prosperity |
B. | Recession |
C. | Both prosperity and recession |
D. | none of the above |
Answer» C. Both prosperity and recession |
218. |
Which of the following can’t be a component for a time series plot? |
A. | Seasonality |
B. | Trend |
C. | Cyclical |
D. | Noise |
E. | None of the above |
Answer» E. None of the above |
219. |
The additive and multiplicative time series models are: |
A. | Y = T + S + C + I and Y = TSCI respectively |
B. | Y = TSCI and Y = T + S + C + I |
C. | none of these |
D. | all |
Answer» A. Y = T + S + C + I and Y = TSCI respectively |
220. |
Value of b in the trend line Y = a + bX is: |
A. | Always positive |
B. | Always negative |
C. | Both positive or negative |
D. | None of these |
Answer» C. Both positive or negative |
221. |
In a straight line equation Y = a + bX; a and b are respectively: |
A. | X-intercept and slope |
B. | Y intercept and slope |
C. | can't determined |
D. | all |
Answer» B. Y intercept and slope |
222. |
A time series consists of: |
A. | Short-term variations |
B. | Irregular variations |
C. | Long-term variations |
D. | All of the above |
Answer» D. All of the above |
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