ANOVA and Chi square analysis
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Attached are two subject problems for review and completion. Please use MS EXCEL application to make the computations.
treatment 1 // treatment 2 // treatment 3
8 3 3
6 2 4
10 4 5
9 3 4
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
Player Cards sold
Tom Seaver 13
Nolan Ryan 33
Ty Cobb 14
George Brett 7
Hank Aaron 36
Johnny Bench 17
Total 120
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
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Solution Summary
Step by step method for computing test statistic for a One way ANOVA and Chisquare is given in the answer.
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Please see the attachments.
ANOVA
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
The null hypothesis tested is
H0: There is no significant difference in the mean of three treatments
H1: There is significant difference in the mean of three treatments.
Test Statistic used is ANOVA (F ...
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