1- Two normally distributed populations having Equal Variances is defined as: ?
(A) F-Distribution (B) Z-Distribution
Option (A) is correct.
2- F-Distribution has shape as same as the shape of: ?
(A) Chi-Square (B) Normal
Option (A) is correct.
3- The Range of F-Distribution is from: ?
(A) - infinity to + infinity (B) 0 to infinity
Option (B) is correct.
Note: Chi-Square also have a Range from '0 to infinity'.
4- F-Distribution has _ skewness: ?
(A) Negative (B) Positive
Option (B) is correct.
Note: Must remember that Chi-Square also have a Positive Skewness.
5- F-Distribution approaches Normal Distribution when V1 and V2 (degrees of freedom) becomes: ?
(A) larger (B) Smaller
Option (A) is correct.
6- 1/F has a an F-Distribution with Degrees of Freedom: ?
(A) V1 and V2 (B) V2 and V1
Option (B) is correct.
7- If V1 = V2, then 1/F is same as that of: ?
(A) F (B) 1/F
Option (A) is correct.
8- The Mean of the F-Distribution with V1 and V2 degrees of freedom are: ?
(A) V2/V2 - 2 for V2 > 2 (B) V2/V1
Option (A) is correct.
9- F-distribution can be applied If the two samples are _ and randomly selected: ?
(A) Dependently (B) Independently
Option (B) is correct.
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