Question

3. Suppose I’m trying to determine whether to reject or fail to reject the null hypothesis that the average starting salary of graduates is at least $45,000. I’ve also taken a survey of size 16 and have found the sample mean to be $40,000 and the sample standard deviation to be 10,000. My alpha value is .05.

1c. Ho:             H_A: m < 45,000

2c. Write down the probability of Type I Error

3c. Write down and compute test statistic

4c. Draw Rejection Region:

5c. Suppose the p-value is .04

6c. State your conclusion about the null hypothesis:

Please make sure to do 6c please thank you.

Answer 1