CUET-PG SERIES Economics
Coefficient Of Variation
9 previous year questions.
Volume: 9 Ques
Yield: Medium
High-Yield Trend
9
2023 Chapter Questions 9 MCQs
01
PYQ 2023
medium
economics ID: cuet-pg-
Suppose the slope coefficient in regression of Y on X is 15. What will be the slope coefficient in regression of Y +10 on X-5 ?
1
25
2
10
3
15
4
20
02
PYQ 2023
medium
economics ID: cuet-pg-
Which of the following is not the property of regression coefficients?
1
The coefficient of correlation and the two regression coefficients have the same signs.
2
The coefficient of correlation is the geometric mean between the regression coefficients.
3
If one of the regression coefficients is greater than unity, the other must be less than unity.
4
The regression coefficients are independent of change of origin and scale.
03
PYQ 2023
medium
economics ID: cuet-pg-
Which of the following is a method used for measurement of cyclical variations?
1
Residual method
2
Ratio-to-moving average method
3
4
Least square method
04
PYQ 2023
medium
economics ID: cuet-pg-
For a strictly convex function f(x), which one of the following is true? [0 < λ< 1]
1
λf(x1)+(1-λ)f(x2)>f[λx1+(1-λ)x2]
2
λf(x1)+(1-λ)f(x2)1+(1-λ)x2]
3
λf(x1)+(1-λ)f(x2)≥f[λx1+(1-λ)x2]
4
λf(x1)+(1-λ)f(x2)≤f[λx1+(1-λ)x2]
05
PYQ 2023
medium
economics ID: cuet-pg-
Which of the following is computed by using the formula: 1-r^2/√n
1
Probable Error of Coefficient of Correlation
2
Standard Error of Coefficient of Correlation
3
Coefficient of Determination
4
Coefficient of Alienation
06
PYQ 2023
medium
economics ID: cuet-pg-
Which of the following is a control chart for variable?
1
x̄ chart
2
C chart
3
P chart
4
np chart
07
PYQ 2023
medium
economics ID: cuet-pg-
Suppose that for a random sample of size 10. sample covariance between variables X and Y is 100, and sample variances of X and Y are 25 and 400 respectively. What is the value of sample correlation coefficient between X and Y?
1
1
2
0.01
3
0.1
4
0.001
08
PYQ 2023
medium
economics ID: cuet-pg-
Match List-I with List-II :
Choose the correct answer from the options given below:
| List-I | List-II | ||
| (A) | Mode | (I) | Measure of sampling variability |
| (B) | Quartile deviation | (II) | Measure of strength of linear relation |
| (C) | Correlation coefficient | (III) | Measure of central tendency |
| (D) | Standard error | (IV) | Measure of dispersion |
1
(A)-(III); (B)-(II); (C)-(I); (D)-(IV)
2
(A)-(IV); (B)-(III); (C)-(I); (D)-(II)
3
(A)-(III); (B)-(IV); (C)-(II); (D)-(I)
4
(A)-(I); (B)-(II); (C)-(III); (D)-(IV)
09
PYQ 2023
medium
economics ID: cuet-pg-
Suppose the correlation coefficient between two variables X and Y is 0.6, what proportion of variation in Y is explained by variation in X?
1
0.60
2
0.36
3
0.40
4
0.2