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MCQOPTIONS
This section includes 171 Mcqs, each offering curated multiple-choice questions to sharpen your Economics (CBCS) knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
If the value of any regression coefficient is zero, then two variables are: |
| A. | Correlation |
| B. | Dependent |
| C. | Determinant |
| D. | Independent |
| Answer» D. Independent | |
| 52. |
In simple regression equation, the numbers of variables involved are: |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 53. |
The straight line graph of the linear equation Y=a+ bX, will slope upward if: |
| A. | b=0 |
| B. | b<0 |
| C. | b>0 |
| D. | b = -1 |
| Answer» D. b = -1 | |
| 54. |
In the regression equation Y=a+bX, the Y is called: |
| A. | Independent variable |
| B. | Dependent variable |
| C. | Continuous variable |
| D. | Constant variable |
| Answer» C. Continuous variable | |
| 55. |
If Y= 2 - 0.2X, then the value of Y intercept is equal to: |
| A. | -0.2 |
| B. | 2 |
| C. | 0.2X |
| D. | 1.08 |
| Answer» C. 0.2X | |
| 56. |
The independent variable in a regression is also called: |
| A. | Regressor |
| B. | Regressand |
| C. | Predictand |
| D. | Determinat |
| Answer» B. Regressand | |
| 57. |
The straight line graph of the linear equation Y=a+bX will slope downward if: |
| A. | b > 0 |
| B. | b<0 |
| C. | b = 0 |
| D. | b = 1 |
| Answer» E. | |
| 58. |
The dependent variable in a regression is also called: |
| A. | Regressor |
| B. | Constant variable |
| C. | Continuous variable |
| D. | Regressand |
| Answer» E. | |
| 59. |
If the points on the scatter diagram show no tendency either to increase together or decrease together the value of r will be close to: |
| A. | -1 |
| B. | +1 |
| C. | 0 |
| D. | 2 |
| Answer» D. 2 | |
| 60. |
In the straight line graph of the linear equation Y=a+bX, the slope is horizontal if: |
| A. | b=-1 |
| B. | b 0 |
| C. | b=1 |
| D. | b =0 |
| Answer» E. | |
| 61. |
Fisher's index number is the |
| A. | Arithmetic mean of Paasche's index number and Laspeyres' index number |
| B. | Harmonic mean of Paasche's index number and Laspeyres' index number |
| C. | Average mean of Paasche s index number and Laspeyres index number |
| D. | Geometric mean of Paasche's index number and Laspeyres' index number |
| Answer» E. | |
| 62. |
In normal distribution |
| A. | Mean < median < mode |
| B. | Mean = median = mode |
| C. | Mean > median > mode |
| D. | Mean = median > mode |
| Answer» C. Mean > median > mode | |
| 63. |
Normal distribution is also known as |
| A. | Bernoulli distribution |
| B. | Gaussian distribution |
| C. | Laplacian distribution |
| D. | Cauchy s distribution |
| Answer» C. Laplacian distribution | |
| 64. |
The value of constant e appearing in normal distribution is |
| A. | 3.1416 |
| B. | 2.1783 |
| C. | 2.7183 |
| D. | 2.8317 |
| Answer» D. 2.8317 | |
| 65. |
Which show the changes in the general price level of the country? |
| A. | Retail price index numbers |
| B. | Wholesale price index numbers |
| C. | Agricultural price index |
| D. | Industrial price index |
| Answer» C. Agricultural price index | |
| 66. |
The standard normal curve is symmetric about the value |
| A. | 0 |
| B. | |
| C. | 1 |
| D. | 1.5 |
| Answer» B. | |
| 67. |
The normal distribution curve is |
| A. | Positively skewed |
| B. | not skewed |
| C. | negatively skewed |
| D. | None of the above |
| Answer» C. negatively skewed | |
| 68. |
The area under a standard normal curve is |
| A. | 0 |
| B. | |
| C. | 1 |
| D. | Not defined |
| Answer» D. Not defined | |
| 69. |
The shape of the normal curve is |
| A. | Bell shaped |
| B. | Flat |
| C. | Circular |
| D. | Spiked |
| Answer» B. Flat | |
| 70. |
For a normal curve, the QD, MD and SD are in the ratio |
| A. | 1:2:3 |
| B. | 5:6:7 |
| C. | 9:10:11 |
| D. | 10:12:15 |
| Answer» E. | |
| 71. |
Under normal curve, the area enclosed by mean 2 is |
| A. | 68.26% |
| B. | 95.44% |
| C. | 99.73% |
| D. | 100% |
| Answer» C. 99.73% | |
| 72. |
The study of the relationship between one variables and the combined effect of all other variables is called |
| A. | Multiple correlation |
| B. | Total correlation |
| C. | Partial correlation |
| D. | Simple correlation |
| Answer» B. Total correlation | |
| 73. |
If the Pearson correlation co-efficient R is equal to 1, then: |
| A. | there is a positive relationship between the two variables. |
| B. | there is a negative relationship between the two variables. |
| C. | There is a perfect positive relationship between the two variables. |
| D. | there is no relationship between the two variables. |
| Answer» D. there is no relationship between the two variables. | |
| 74. |
If two variables, x and y, have a very strong linear relationship, then |
| A. | there is evidence that x causes a change in y |
| B. | there is evidence that y causes a change in x |
| C. | there might not be any causal relationship between x and y |
| D. | None of the above |
| Answer» D. None of the above | |
| 75. |
The estimation of correlation between yield of wheat and chemical fertilizers eliminating the effect of pesticides and manures is an example of |
| A. | Simple correlation |
| B. | Partial correlation |
| C. | Total correlation |
| D. | Multiple correlation |
| Answer» C. Total correlation | |
| 76. |
When all data points are falling along a straight line it is called: |
| A. | Linear relationship |
| B. | Non-linear relationship |
| C. | Scatter diagram |
| D. | Multiple relationship |
| Answer» E. | |
| 77. |
A process by which we estimate the value of dependent variable on the basis of one or more independent variables is called: |
| A. | Correlation |
| B. | Regression |
| C. | Residual |
| D. | Deviation |
| Answer» C. Residual | |
| 78. |
The value we would predict for the dependent variable when the independent variables are all equal to zero is called: |
| A. | Slope |
| B. | Sum of residual |
| C. | Intercept |
| D. | Origin |
| Answer» D. Origin | |
| 79. |
The predicted rate of change of the dependent variable to changes in the independent variable is called: |
| A. | Slope |
| B. | Intercept |
| C. | Error |
| D. | Constant |
| Answer» B. Intercept | |
| 80. |
To measure ranked variables the following correlation coefficient is used |
| A. | Pearson s |
| B. | Spearman s |
| C. | Fisher s |
| D. | Marshall-Edgeward |
| Answer» C. Fisher s | |
| 81. |
Which of the following equation is used to describe linear relationship |
| A. | y = a + bx2 |
| B. | y = ax2 + b |
| C. | y = ax3 + b |
| D. | y = a + bx |
| Answer» E. | |
| 82. |
The geometric mean of the two regression coefficient yx and xy is equal to: |
| A. | r |
| B. | r 2 |
| C. | 1 |
| D. | 2 |
| Answer» B. r 2 | |
| 83. |
The estimate of in the regression equation Y= + x+e by the method of least square is: |
| A. | Biased |
| B. | Unbiased |
| C. | Consistent |
| D. | Constant |
| Answer» C. Consistent | |
| 84. |
If the two lines of regression are perpendicular to each other, the correlation coefficient r is: |
| A. | 0 |
| B. | 1 |
| C. | -1 |
| D. | 2 |
| Answer» B. 1 | |
| 85. |
The range of a partial correlation coefficient is: |
| A. | 0 to 1 |
| B. | -1 to 0 |
| C. | 0 to |
| D. | -1 to 1 |
| Answer» E. | |
| 86. |
Suitable average for averaging the shoe sizes for children is: |
| A. | Mean |
| B. | Mode |
| C. | Median |
| D. | Geometric mean |
| Answer» C. Median | |
| 87. |
The suitable average for qualitative data is: |
| A. | Mean |
| B. | Median |
| C. | Mode |
| D. | Geometric mean |
| Answer» C. Mode | |
| 88. |
In a given data the average which has the least value is |
| A. | Mean |
| B. | Median |
| C. | Harmonic mean |
| D. | Geometric mean |
| Answer» D. Geometric mean | |
| 89. |
The most commonly occurring value in a group of distribution is known as |
| A. | Median |
| B. | Mode |
| C. | Mean |
| D. | None of the above |
| Answer» C. Mean | |
| 90. |
Demerit of arithmetic mean is that |
| A. | It is not based on all observations |
| B. | It is not amendable to algebraic treatment |
| C. | It is not rigidly defined |
| D. | It is affected very much by extreme values |
| Answer» E. | |
| 91. |
Which one of the following statement is not true in regard to Mean Deviation? |
| A. | It does not take into account the algebraic sign(+ or - |
| B. | It can be computed from median or mode or mean |
| C. | (a) and (b |
| D. | None of the above |
| Answer» D. None of the above | |
| 92. |
If a distribution is characterized by _______, then it is apositively skewed distribution |
| A. | Mean >Median > Mode |
| B. | Mean <Median< Mode |
| C. | Mean = Median = Mode |
| D. | None of the above |
| Answer» B. Mean <Median< Mode | |
| 93. |
The information Mean = 46, Median = 48 and Mode = 53 describe a |
| A. | Positively skewed distribution |
| B. | Negatively skewed distribution |
| C. | Leptokurtic distribution |
| D. | None of the above |
| Answer» C. Leptokurtic distribution | |
| 94. |
In case of a symmetrical distribution, |
| A. | Mean >Median > Mode |
| B. | Mean <Median< Mode |
| C. | Mean = Median = Mode |
| D. | None of the above |
| Answer» D. None of the above | |
| 95. |
Choose correct combination from Group A and BGroup A Group B(1) Mesokurtic (i) The slender, higher than the normal curve(2) Platykurtic (ii) The Normal distribution(3) Leptokurtic (iii) The flat-topped, broader than the normal curve |
| A. | (1) and (i), (2) and (ii), (3) and (iii |
| B. | (1) and (ii), (2) and (i), (3) and (iii |
| C. | (1) and (ii), (2) and (iii), (3) and (i |
| D. | None of the above |
| Answer» D. None of the above | |
| 96. |
The algebraic sum of the deviations of a set of values from their arithmetic mean is______ |
| A. | Always one |
| B. | Always positive |
| C. | Always zero |
| D. | Always negative |
| Answer» D. Always negative | |
| 97. |
Which one of the following statement is/are true for the standard deviation?1) It is independent on change of scale2) It is independent on change of origin3) It is the minimum root-mean-square deviation |
| A. | (1) only |
| B. | (1) and (2) only |
| C. | (2) and (3) only |
| D. | All of them |
| Answer» D. All of them | |
| 98. |
A measure of dispersion gives some idea about ______ |
| A. | The size of average mean |
| B. | The size of the median |
| C. | The size of the modal class |
| D. | None of the above |
| Answer» E. | |
| 99. |
Quartile deviation ignores ____ of the data |
| A. | 75% |
| B. | 60% |
| C. | 55% |
| D. | 50% |
| Answer» E. | |
| 100. |
Data classified by many ______are said to be quantitative. |
| A. | Characteristics |
| B. | Categories |
| C. | Affinities |
| D. | Attributes |
| Answer» E. | |