McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Commerce (B Com) .
Chapters
| 51. |
Following are the Relative measures of dispersion except |
| A. | Co-efficient of Mean deviation |
| B. | Standard deviation |
| C. | Co-efficient of Range |
| D. | Co-efficient of Quartile deviation |
| Answer» B. Standard deviation | |
| 52. |
For a symmetrical distribution Q1=25, Q3=45, the median is |
| A. | 20 |
| B. | 25 |
| C. | 35 |
| D. | None of these |
| Answer» C. 35 | |
| 53. |
The coefficient of variation cannot be meaningfully used to compare the variability of two or more sets of data, when |
| A. | The standard deviation is zero for one or more sets of data |
| B. | The standard deviation is 1 for one or more sets of data |
| C. | The mean is zero for one or more sets of data |
| D. | The mean is 1 for one or more sets of data |
| Answer» C. The mean is zero for one or more sets of data | |
| 54. |
Standard deviation is always computed from |
| A. | Mean |
| B. | Median |
| C. | Mode |
| D. | geometric mean |
| Answer» A. Mean | |
| 55. |
Which of the following is true, if there is no dispersion in a data set: |
| A. | All the mathematical and positional averages are equal. |
| B. | All the mathematical averages are equal but the positional averages are not equal |
| C. | All the mathematical averages are equal to zero |
| D. | None of these |
| Answer» A. All the mathematical and positional averages are equal. | |
| 56. |
For a distribution of data, if the arithmetic mean> median>mode, then which of the following is true? |
| A. | The distribution is symmetrical |
| B. | The distribution is positively skewed |
| C. | The distribution is negatively skewed |
| D. | None of these |
| Answer» B. The distribution is positively skewed | |
| 57. |
Correlation analysis is a .............................. |
| A. | Univariate analysis |
| B. | Bivariate analysis |
| C. | Multivariate analysis |
| D. | Both Bivariate and Multivariate analysis |
| Answer» D. Both Bivariate and Multivariate analysis | |
| 58. |
If one of the regression coefficients is greater than unity, the other must be: |
| A. | More than Unity |
| B. | Less than Unity |
| C. | Unity |
| D. | all |
| Answer» B. Less than Unity | |
| 59. |
If all the points of a scatter diagram lie on a straight line falling from left upper corner to the right bottom corner, the correlation is called................... |
| A. | Zero correlation |
| B. | High degree of positive correlation |
| C. | Perfect negative correlation |
| D. | Perfect positive correlation |
| Answer» C. Perfect negative correlation | |
| 60. |
The rank correlation coefficient was discovered by.................................... |
| A. | Fisher |
| B. | Spearman |
| C. | Karl Pearson |
| D. | Bowley |
| Answer» B. Spearman | |
| 61. |
If the regression line is Y on X, then the variable X is known as.......................... |
| A. | Independent variable |
| B. | Explanatory variable |
| C. | Regressor |
| D. | All the above |
| Answer» D. All the above | |
| 62. |
The point of intersection of two regression lines is.......................... |
| A. | (0,0) |
| B. | (1,1) |
| C. | (x,y) |
| D. | (x̄, ӯ) |
| Answer» D. (x̄, ӯ) | |
| 63. |
If r = ± 1, the two regression lines are............................... |
| A. | Coincident |
| B. | Parallel |
| C. | Perpendicular to each other |
| D. | None of these |
| Answer» A. Coincident | |
| 64. |
If bxy and byx are two regression coefficients, they have: |
| A. | Same signs |
| B. | Opposite signs |
| C. | Either a or b |
| D. | None of the above. |
| Answer» A. Same signs | |
| 65. |
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 | |
| 66. |
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 | |
| 67. |
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 | |
| 68. |
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 | |
| 69. |
The maximum value of the Rank Correlation coefficient is |
| A. | +1 |
| B. | -1 |
| C. | 0 |
| D. | None of these |
| Answer» A. +1 | |
| 70. |
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 | |
| 71. |
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 | |
| 72. |
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 | |
| 73. |
Which index number is called as ideal index number. |
| A. | Lasperys |
| B. | Paasches |
| C. | Fisher |
| D. | None of Above |
| Answer» C. Fisher | |
| 74. |
Secular trend can be measured by: |
| A. | Two methods |
| B. | Three methods |
| C. | Four methods |
| D. | Five methods |
| Answer» C. Four methods | |
| 75. |
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. | |
| 76. |
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 | |
| 77. |
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 | |
| 78. |
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 | |
| 79. |
………….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 | |
| 80. |
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 | |
| 81. |
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 | |
| 82. |
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 | |
| 83. |
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 | |
| 84. |
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 | |
| 85. |
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 | |
| 86. |
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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