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An Internet provider contacts a random sample of 300 customers and asks how many hours per week the customers use the Internet. time spent on the Internet per week was 7.2 hours, The responses are summarized in the provided dotplot. The average amount of with a standard deviation of 7.9 hours

An Internet provider contacts a random sample of 300 customers and asks how many hours per week the customers use the Internet. time spent on the Internet per week was 7.2 hours, The responses are summarized in the provided dotplot. The average amount of with a standard deviation of 7.9 hours

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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An Internet provider contacts a random sample of 300 customers and asks how many hours per week the customers use the Internet. The responses are summarized in the provided dotplot. The average amount of time spent on the Internet per week was 7.2 hours, with a standard deviation of 7.9 hours. 0 O Yes O No 6 12 1.1. 18 24 30 Hours of Internet Use per Week 36 42 Is it reasonable to use the t-distribution to construct a confidence interval for the average amount of time customers of this Internet provider spend on the Internet each week?
Transcribed Image Text:An Internet provider contacts a random sample of 300 customers and asks how many hours per week the customers use the Internet. The responses are summarized in the provided dotplot. The average amount of time spent on the Internet per week was 7.2 hours, with a standard deviation of 7.9 hours. 0 O Yes O No 6 12 1.1. 18 24 30 Hours of Internet Use per Week 36 42 Is it reasonable to use the t-distribution to construct a confidence interval for the average amount of time customers of this Internet provider spend on the Internet each week?
A dotplot and the summary statistics for a sample are provided. Indicate whether or not it is appropriate to use the t-distribution. n = 15; X=44; s = 7.32 Appropriate O Not Appropriate hotel 32 36 24 28
Transcribed Image Text:A dotplot and the summary statistics for a sample are provided. Indicate whether or not it is appropriate to use the t-distribution. n = 15; X=44; s = 7.32 Appropriate O Not Appropriate hotel 32 36 24 28
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