The selling prices (in $) for the deluxe and standard model Ryobi wood sanders are shown for a sample of eight retail stores.? Does the data suggest the difference in average selling price of these Ryobi models is more than $10 at ?=.01
Retail Store

1
2
3
4
5
6
7
8

Deluxe

Standard

40
40
41
41
30
44
36
43

27
28
28
28
19
33
23
32
315

218

For the hypothesis stated above (in terms of Deluxe ? Standard):
Question 1

What is the test statistic?

Question 2

What is the conclusion?

Question 3

What is the p-value? Fill in only one of the following statements.

?Deluxe – ?Standard

If the Z table is appropriate
If the t table is appropriate,

p-value

=
<

p-value

<