A human resources manager for a car company wanted to know whether production-line workers have more days absent than office workers. He took a random sample of eight workers from each category and recorded the number of days absent the previous year. Assume equal population variances. At 10% level of significance, the manager is interested in whether there is a difference in days absent between the two groups of workers?

Production line	4	0	6	8	3	11	13	5
Office	9	2	7	1	4	7	9	8

1.Determine the null and alternative hypotheses.

2. What is the test statistic?

3.What is the rejection region?

4.What is the calculated t value? Keep to 2 decimal places.

5.What is the p-value? Keep to 4 decimal places.

6. Do you reject the null hypothesis?

7. What is your conclusion? choose 1 below. a.Reject the null hypothesis and conclude the means are different.

b.Reject the null hypothesis and conclude the means are the same.

c.Do not reject the null hypothesis and conclude the means are the same.

d.Do not reject the null hypothesis and conclude the means are different.