Question

An article reported that the average American college students spends 1 hour (60 minutes)on Facebook daily. But you wonder if there is a difference between males and females. You select a sample of 21 males Facebook users and randomly select 21 females at your college. The time spent on Facebook per day (in minutes) for these 60 users is as follows: Assuming that the variances in the population of times spend on Facebook per day are equal,is there evidence of t a difference in the mean time spend on Facebook per day between males and females? Use a .05 level of significance.

Female 30 60 20 30 15 150 60 150 180 10 120 60 60 100 180 60 60 60 240 90 30

Male 180 960 45 30 10 5 720 300 60 180 180 180 240 240 180 60 90 240 40 120 20

1. What is the claim from the question? What are Null and Alternative Hypothesis for this problem?

2. What kind of test do you want to use? One Sample or Two Sample? Z test or T Test? One-tail or Two-tail test?

3. Calculate Test Statistics Test Statistics:

4. Find Critical Value(s) and appropriate degree of freedom if necessary

5. Find P-value

6. What is the conclusion that you could make? Clearly write down the conclusion and business statement and illustrate what type error you could make

Answer 1