Cell Phone Call Lengths The average local cell phone call length was reported to be 2.14 minutes. A random sample of 18 phone calls showed an average of 2.84 minutes in length with a standard deviation of 0.91 minute. At a = 0.01, can it be concluded that the average differs from the population average? Assume that the population is approximately normally -/TT-94 Plus calculaton (8.3)#4 Ho:u= 2.14 not claim H₁:u= 2.14 claim This hypothesis test is a two-tailed test. P value=

Cell Phone Call Lengths The average local cell phone call length was reported to be 2.14 minutes. A random sample of 18 phone calls showed an average of 2.84 minutes in length with a standard deviation of 0.91 minute. At a = 0.01, can it be concluded that the average differs from the population average? Assume that the population is approximately normally -/TT-94 Plus calculaton (8.3)#4 Ho:u= 2.14 not claim H₁:u= 2.14 claim This hypothesis test is a two-tailed test. P value=

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Answer all A, B, C questions
You are conducting a multinomial hypothesis test for the claim that all 5 categories are equally likely to be selected. Complete the table. Category ObservedFrequency ExpectedFrequency SquaredPearsonResidual A 5 B 12 C 24 D 5 E 8 What is the chi-square test-statistic for this data?χ2=χ2= Report all answers accurate to three decimal places.
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