Question

4. Suppose 600 students were surveyed regarding their GPAs. The average GPA was found to be 2.75. Using a confidence level of 90%, what is the margin of error if the standard deviation is 0.45

?
4.73%
2.97%
9.5%
All changes saved
14.04%

Answer 1

Answer:4. Suppose 600 students were surveyed regarding their GPAs. The average GPA was found to be 2.75. Using a confidence level of 90%, what is the margin of error if the standard deviation is 0.45

?

4.73%

2.97%

9.5%

All changes saved

14.04%

Explanation: