Which of the following is NOT an acceptable method of estimating the population standard deviation?
A)Perform a pilot study.
B)Divide the estimated range of variation by 2.
C)Use an estimate based on past studies of the same phenomenon.
D)Divide the estimated range of variation by 6.
E)Use an estimate based on the method used to measure the important variables.

Question

Quizplus · Accepted Answer

Dividing the estimated range of variation by 2 or by 6 is not an acceptable method of estimating the population standard deviation. Acceptable methods include performing a pilot study, using an estimate based on past studies of the same phenomenon, or using an estimate based on the method used to measure the important variables.

Which of the Following Is NOT an Acceptable Method of Estimating