The number of CDs sold each week is presented below. Was there an increase in the number of CDs sold after the ad? Conduct a 6-step hypothesis test. CD Number
The number of CDs sold each week is presented below. Was there an increase in the number of CDs sold after the ad? Conduct a 6-step hypothesis test. CD Number
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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Question
The manager of a local record store is interested in the effectiveness of an advertising
campaign on sales. They randomly select 10 popular CDs (all in the Billboard top 100),
and place an ad in the local school newspaper saying that the store has these (and more)
in stock. They measure the sales of these 10 CDs for 1 week prior to the ad, and then for
1 week after the ad. The number of CDs sold each week is presented below. Was there an
increase in the number of CDs sold after the ad? Conduct a 6-step hypothesis test.
CD Number
sold before
ad
Number
sold after ad
A 25 32
B 18 24
C 3 7
D 42 40
E 16 19
F 20 25
G 23 23
H 32 35
I 60 65
J 40 43
campaign on sales. They randomly select 10 popular CDs (all in the Billboard top 100),
and place an ad in the local school newspaper saying that the store has these (and more)
in stock. They measure the sales of these 10 CDs for 1 week prior to the ad, and then for
1 week after the ad. The number of CDs sold each week is presented below. Was there an
increase in the number of CDs sold after the ad? Conduct a 6-step hypothesis test.
CD Number
sold before
ad
Number
sold after ad
A 25 32
B 18 24
C 3 7
D 42 40
E 16 19
F 20 25
G 23 23
H 32 35
I 60 65
J 40 43
Please solve using 6 steps hypothesis and solve in excel
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