business research methods
Number of sources: 2
-All sources must be cited in current APA format.
-Demonstrate statistical method
You conduct a survey of a sample of 25 members of this yearâ€™s graduating business students and find that the average GPA is 3.2. The standard deviation of the sample is 0.4. Over the last 10 years, the average GPA has been 3.0. Is the GPA of this yearâ€™s students significantly different from the long-run average?