Find the aitforence in mean number of new phones sold at the stores using the interactivo display and stores using the cardboard display. Explain or show your reasoning.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Question 7
A cell phone company selects 12 different stores in similar markets to advertise a new phone. Seven of these are randomly chosen to use an interactive
digital display, and 5 other stores are randomly chosen to use a cardboard display. The company wants to know if the stores with the interactive digital
displays are selling more phones than the stores with the cardboard displays. The table shows the number of the new phones sold at each of the storos
during one weak.
Find the difference in moan number of new phones sold
at the stores using the interactive display and stores
using the cardboard display. Explain or show your
reasoning.
Interactive Digital Display
Cardboard Display
12
11
23
30
18
17
26
10
16
15
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Transcribed Image Text:T-Mobile Wi-Fi ? I 9:38 AM • 46% Done 7 of 8 EX TU a FOU | FOU C student.desmos.com/activitybuider/student 608tfadb08264d0cbd11db92escreenld=befe1560-90f5-4e82-8124-d88afBaa62ac IGG G + (Update E Apps a OnCourse Connec. Clara Destiny sho. S Employmet Center ngn Sasaien Expration.. b Seling Assce ate.. 9 Signin P view Portrait Proo. O Nursing: Tradition. = End of Unit IV Assessment Destiny Oloegtu 8 of 10 Next > Question 7 A cell phone company selects 12 different stores in similar markets to advertise a new phone. Seven of these are randomly chosen to use an interactive digital display, and 5 other stores are randomly chosen to use a cardboard display. The company wants to know if the stores with the interactive digital displays are selling more phones than the stores with the cardboard displays. The table shows the number of the new phones sold at each of the storos during one weak. Find the difference in moan number of new phones sold at the stores using the interactive display and stores using the cardboard display. Explain or show your reasoning. Interactive Digital Display Cardboard Display 12 11 23 30 18 17 26 10 16 15 Submi! 28 F1 %23 & 3 4 5 6 7 8. delete R T Y U P A D G H J K ock retu- V B N M ? H ntrol option command command option II 8 o
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