Question

A choir director collected data about the number of members in the choir for the last 20 years. The mean number of choir members is 52.68 with a standard deviation of 2.35. This year. The choir has 46 members. The choir director wants to find and interpret the z-score for 46 choir members.

Complete the statements about the z-score and its interpretation.

The z-score for 46 choir members is about , which means that the number of choir members this year is standard deviations the mean number of choir members. Therefore, there are choir members this year than the average.

Answer 1

The z-score for 46 choir members is about

✔ –2.843

, which means that the number of choir members this year is

✔ 2.843

standard deviations

✔ below

the mean number of choir members. Therefore, there are

✔ fewer

choir members this year than the average.

Explanation:

edge 2023

Answer 2

members is about

✔ –2.843

, which means that the number of choir members this year is

✔ 2.843

standard deviations

✔ below

the mean number of choir members. Therefore, there are

✔ fewer

choir members this year than

Explanation: