Question

In: Statistics and Probability

A B C 8 24 19 12 16 28 22 22 24 15 14 31 18...

A B C

8

24 19
12 16 28
22 22 24
15 14 31
18 20 19
9 32

Test at the 5% level of significance to see if the means are all the same.

1. What is the null and alternate hypotheses?

2. What is the p-value?

3. Decide if you reject or accept (fail to reject) your null hypothesis.

4. Decide if you reject or accept (fail to reject) your claim.

Solutions

Expert Solution

Group 1 Group 2 Group 3
8 24 19
12 16 28
22 22 24
15 14 31
18 20 19
9 32
Sum = 84 96 153
Average = 14 19.2 25.5
∑iXij2 1322 1912 4067
St. Dev. = 5.404 4.147 5.753
SS = 146 68.8 165.5
n = 6 5 6


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