# Question: suppose you have a sample size of 30 students and...

###### Question details

Suppose you have a sample size of 30 students, and you find that
average GPA in your sample is 3.10 with sample standard deviation
of .89. Test this hypothesis against a population mean GPA of 3.5

A) write the null hypothesis

B) calculate and report the T statistic

C) is your sample statistically different from the
hypothesized population at the 95% confidence level (5%
significance)? Is it different at the 99% confidence level (1%
significance)?