(5) Compare with the critical value and make a decision:

(6) Calculate the p- value for the test and interpret it:

spot in the upcoming America’s Cup race. They race over a part of the course several times.
11.0, 13.3, 11.2, 11.4, 11.6, 12.3, 14.2, and 11.3.
, 14.2, 17.4, 15.8, 16.7, 16.1, 13.3, 13.4, 13.6, 10.8,
ence in their mean times?
g unequal variances.
ingle sample but who is unfamiliar with the
t
test for independent means.

1.6383720216

Problem 2:
The Willow Run Outlet Mall has two Haggar Outlet Stores, one located on Peach Str
A sample of 10 customers at the Peach Street store revealed they spent the following
A sample of 14 customers at the Plum Street store revealed they spent the following a
At the .01 significance level, is there a difference in the mean amount purchased
Peach
Plum
$17.58
$18.19
$19.73
$20.22
$12.61
$17.38
$17.79
$17.96
$16.22
$23.92
$15.82
$15.87
$15.40
$16.47
$15.86
$15.96
$11.82
$16.79
$15.85
$16.74
$21.40
$20.57
$19.79
$14.83
x-bar =
$15.87
$18.29
s =
$2.33
$2.55
Data:
n1
10
n2
14
x1-bar
15.87
x2-bar
18.29
s1
2.33
s2
2.55
(1) Formulate the hypotheses: