To calculate sampling error for a proportion,which of the following pieces of information is NOT needed?
A)The z-score representing the desired degree of confidence
B)The number of valid cases overall for the proportion
C)The sample standard deviation
D)The relevant proportion obtained from the sample
E)All of these are relevant and necessary pieces of information for the calculation of sampling error for a proportion.

Question

Quizplus · Accepted Answer

The sample standard deviation is not necessary for the calculation of sampling error for a proportion. The relevant pieces of information are the z-score representing the desired degree of confidence, the number of valid cases overall for the proportion, and the proportion obtained from the sample.

To Calculate Sampling Error for a Proportion,which of the Following