Please help me with these questions with detail explanation.

Finally, consider yet another random sample of 15 students was drawn from University C and each reported the amount of time spent at part-time jobs (in minutes). These are listed here. Assume that this random sample is normally distributed. 130 40 145 100 105 180 170 50 1000 900 600 850 600 54 40 Is there sufficient evidence to support that there is a difference among the average amount of time spent at the part-time jobs per student from Universities A, B, and C at the 5% level of significance? Conduct this test by answering Questions 13-15 below: 13. State the pair of hypotheses. 14. Find the value of the test-statistics and the degrees of freedom. 15. What is the conclusion