Discussion:
Q1: Test the hypothesis that the treatment means are equal. Use the .05 significance level.
1 State the null and the alternate hypothesis
2 What is the decision rule?
3 Compute the components of variance (SST -treatment, SSE-error, and SS total)
4 Complete an ANOVA table
5 State your decision regarding the null hypothesis
| treatment 1 |
treatment 2 |
treatment 3 |
| 8 |
3 |
3 |
| 6 |
2 |
4 |
| 10 |
4 |
5 |
| 9 |
3 |
4 |
Q2: There is no difference in the popularity of players
1 State the null and the anternate hypothesis
2 Select the level of significance (.05)
3 Select the test statistic (chi-square)
4 Formulate the decision rule
5 Compute the value of chi-square and make a decision
| Player |
Cards sold |
| Tom Seaver |
13 |
| Nolan Ryan |
33 |
| Ty Cobb |
14 |
| George Brett |
7 |
| Hank Aaron |
36 |
| Johnny Bench |
17 |
| Total |
120 |