Question

For two series with equal means ; which of the following is true ? *

1 point

(A) The series with greater standard deviation is more variable.

(B) The series with smaller standard deviation is more variable.

Both (A) and (B) are true.

None of these.

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Answer 1

Answer:

B IS UR ANSWER

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Answer 2

Given : For two series with equal means  

To Find : which of the following is true ? *

A) The series with greater standard deviation is more variable.

(B) The series with smaller standard deviation is more variable.

Both (A) and (B) are true.

None of these.

Solution:

Standard deviation represent the variability

as mean is same.

Hence series with  greater standard deviation is more variable.

and series with lesser standard deviation is less variable.

(A) The series with greater standard deviation is more variable.

-TRUE

(B) The series with smaller standard deviation is more variable.

- FALSE

Both (A) and (B) are true. - FALSE

None of these. - FALSE

The series with greater standard deviation is more variable is -TRUE

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