1. Math
2. Statistics And Probability
3. suppose you have a sample size of 30 students and...

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)?