sample size   20 sample mean 8.3700 sample standard deviation 0.1895   confidence interval confidence coefficient 0.99 lower limit  upper limit hypothesis test hypothesized value 8.3 test statistic  p-value lower  tail 0.9425 p-value upper tail p-value two-tail   population standard deviation 0.18 sample size 20 sample mean 8.3700 confidence interval confidence coefficent 0.99 lower limit upper limit  hypothesis test  hypothesized value 8.3 test stastistic  p-value lower tail  0.9591 p-value  upper tail  p-value two tail A random sample of 20 Walmart shoppers is taken and their time waiting in the checkout line is recorded in Excel. assume a population standard deviation of 0.18 . is there reason to believe that the average time waiting in walmart checkout lines is greater than 8.3 minutes at a=0.5 ?Based on this paragraph of text, use the correct excel output above to answer the following question.  find the p-value

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 25SGR
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sample size   20

sample mean 8.3700

sample standard deviation 0.1895

 

confidence interval

confidence coefficient 0.99

lower limit 

upper limit

hypothesis test

hypothesized value 8.3

test statistic 

p-value lower  tail 0.9425

p-value upper tail

p-value two-tail

 

population standard deviation 0.18

sample size 20

sample mean 8.3700

confidence interval

confidence coefficent 0.99

lower limit

upper limit 

hypothesis test 

hypothesized value 8.3

test stastistic 

p-value lower tail  0.9591

p-value  upper tail 

p-value two tail

A random sample of 20 Walmart shoppers is taken and their time waiting in the checkout line is recorded in Excel. assume a population standard deviation of 0.18 . is there reason to believe that the average time waiting in walmart checkout lines is greater than 8.3 minutes at a=0.5 ?Based on this paragraph of text, use the correct excel output above to answer the following question. 

find the p-value

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