Test for two independent sample using Excel.
Two boats, the Prada (Italy) and the Oracle (U.S.A.), are competing for a spot in the upcoming America's Cup race. They race over a part of course several times. Below are the sample times in minutes. At.05 significance level, can we end that there is a difference in their mean times?
|
Boat
|
Times (minutes)
|
|
Prada (Italy)
|
12.9
|
12.5
|
11.0
|
13.3
|
11.2
|
11.4
|
11.6
|
12.3
|
14.2
|
11.3
|
|
|
|
Oracle (U.S.A.)
|
14.1
|
14.1
|
14.2
|
17.4
|
15.8
|
16.7
|
16.1
|
13.3
|
13.4
|
13.6
|
10.8
|
19.0
|