Assume the GPA of STAT230 students is distributed normally with a population standard deviation of 0.10. To test whether the average GPA of STATS II students is GREATER THAN 3.12, a sample size of 49 was drawn and a sample mean of 3.15 was calculated.
What is the test statistic?
What is the p-value?
What is your conclusion to the test at the 0.05 significance level?