Discussion:
Q: Insurance adjusters are concerned about he high estimates they are receiving from Jocko's Garage. To see if the estimates are unreasonably high, each of 10 damaged cars was taken to Jocko's and to another garage and the estimates recorded. Here are the results:
|
Car
|
1
|
2
|
3
|
4
|
5
|
|
Jocko's
Other
|
500
400
|
1550
1500
|
1250
1300
|
1300
1300
|
750
800
|
|
Car
|
6
|
7
|
8
|
9
|
10
|
|
Jocko's
Other
|
1000
800
|
1250
1000
|
1300
1100
|
800
650
|
2500
2200
|
Test the null hypothesis that there is no difference between the two garages. Be sure to specify the null and alternative hypotheses, the test statistic with degrees of freedom, and the P-value. What do you conclude?