IMPORTANT: Make sune you cory aldedmsit until you reach your anewe, then round t
ID: 3340348 • Letter: I
Question
IMPORTANT: Make sune you cory aldedmsit until you reach your anewe, then round to four decmals IMPORTANT: Make sure you carry all dec The sellinig prices Oin $) or the deluxe and standard model Ryobl wood sanders are shown for a sample of eight retal stores. Does the data suggest the difference in average selling price of these Ryobi models is more than $10 at a-0.005? (See exercise 27 on Page 458 of your textbook for a similar problem.) 15 20 Reta Stone 32 21 12 25 32 37 19 27 30 2E 29 1o 31 Fer the hypothesis stated above [in terms of Delwxe-Standard). 32 What is the test statistic? Question 2 What istheconclusion? Question3What is the p-value? Fill in only sne ofthe following statements Ifthe Ztable is appropriate p-value fthet table is apprapriate, p-value ( Daily ProblemExplanation / Answer
Result:
Paired t Test
Data
Hypothesized Mean Difference
10
Level of significance
0.005
Intermediate Calculations
Sample Size
8
DBar
10.6250
Degrees of Freedom
7
SD
1.0607
Standard Error
0.3750
t Test Statistic
1.6667
Upper-Tail Test
Upper Critical Value
3.4995
p-Value
0.0698
Do not reject the null hypothesis
Question 1. Test statistic =1.6667.
Question 2 : do not reject Ho.
The difference in average selling price of these Ryobi models is not more than $10.
Question 3: t table is appropriate. 0.05 < p value < 0.10.
Paired t Test
Data
Hypothesized Mean Difference
10
Level of significance
0.005
Intermediate Calculations
Sample Size
8
DBar
10.6250
Degrees of Freedom
7
SD
1.0607
Standard Error
0.3750
t Test Statistic
1.6667
Upper-Tail Test
Upper Critical Value
3.4995
p-Value
0.0698
Do not reject the null hypothesis