Question 323255
At the .05 significance level is there a difference in the mean delivery time? 

Driver 1 Driver 2 Driver 3
21 29 29
28 26 22
30 25 27
21 26 24
22 27 27
25 22 29
26 21 27 
1. State the null and alternate hypothesis. 
Ho: all the means are equal
Ha: at least one is different
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2. State the decision rule (we reject Ho when…). 
I'll let you look that up.
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3. What is the calculated F-statistic
F = 1.7772
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4. What is your decision regarding the null hypothesis?
The p-value is 0.1975 so Fail to reject Ho.
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Cheers,
Stan H.