Difference in the mean number of citations


Discuss the below:

The null and alternate hypotheses are:

Q: The following paired observations show the number of traffic citations given for speeding by Officer Dhondt and Officer Meredith of the South Carolina Highway Patrol for the last five months.

Day May June July August September
Officer Dhondt 30 22 25 19 26
Officer Meredith 26 19 20 15 19

At the .05 significance level, is there a difference in the mean number of citations given by the two officers?

 

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Basic Statistics: Difference in the mean number of citations
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