As standard deviation increases,samples size _____________ to achieve a specified level of confidence.
A)Increases
B)Decreases
C)Remains the same

Question

Quizplus · Accepted Answer

As the standard deviation increases, the spread of the data increases, and therefore, the variability of the data increases. This means that there is more uncertainty in the data, and a larger sample size is needed to achieve a specified level of confidence. So, the answer is A, which means that the sample size increases as the standard deviation increases.

As Standard Deviation Increases,samples Size _____________ to Achieve a Specified