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Textbook ExpertVerified Tutor
11 Nov 2021

Given information

As per the given question ,

 

  • Number of cents off that coupons is  Coupon per page
  • The following data was collected:   

 

Step-by-step explanation

Step 1.

Confidence Interval is calculated by using below equation ,  

 

 

There are  measures in the sample then,

 

 

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Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

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