A previous study claims that the average time a teenager spends browsing his social media accounts is 6 hours with a standard deviation of 0.5 hours. A researcher wants to test whether this claim is true, so he conducted a survey on 100 teenagers and found out that the mean is 5.5 hours. Use a=0.05 what is the appropriate test statistic? (A) t test B z test f test D p-value

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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A previous study claims that the average time a teenager spends browsing his social media accounts is 6 hours with a
standard deviation of 0.5 hours. A researcher wants to test whether this claim is true, so he conducted a survey on 100
teenagers and found out that the mean is 5.5 hours. Use a=0.05 what is the appropriate test statistic?
A t test
B z test
c) f test
D) p-value
Transcribed Image Text:A previous study claims that the average time a teenager spends browsing his social media accounts is 6 hours with a standard deviation of 0.5 hours. A researcher wants to test whether this claim is true, so he conducted a survey on 100 teenagers and found out that the mean is 5.5 hours. Use a=0.05 what is the appropriate test statistic? A t test B z test c) f test D) p-value
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