Short Answer
Use the following to answer the questions below:
In a given year, the average score on the Mathematics portion of the ACT for males was 21.3 with standard deviation 5.3. The average score on the Mathematics portion of the ACT for females was 20.2 with standard deviation 4.8.
-If random samples are taken with 60 males and 60 females, find the standard error of the distribution of differences in sample means, where
and
represent the sample means for males and females, respectively. Report the standard error with four decimal places.
Correct Answer:

Verified
Correct Answer:
Verified
Q78: Use the following to answer the questions
Q79: Use the following to answer the questions
Q80: Use the following to answer the questions
Q81: Use the following to answer the questions
Q82: Use the following to answer the questions
Q84: Use the following to answer the questions
Q85: Use the following to answer the questions
Q86: Use the following to answer the questions
Q87: Use the following to answer the questions
Q88: Use the following to answer the questions