Watching TV: The 2012 general Social Survey asked a large number of people how much time they spent watching TV each day. The mean number of hours was 3.09 with a standard deviation of 2.73. Assume that in a sample of 32 teenagers, the sample standard deviation of daily TV time is 3.2 hours and that the population of TV watching times is normally distributed. Can you conclude that the population standard deviation of TV watching times for teenagers is greater than 2.73 ? Use the a-0.01 level of significance. Part: 0/5 Part 1 of 5 State the appropriate null and alternate hypotheses. Ho: (Choose one) H1:0 (Choose one) This hypothesis test is a (Choose one) test.

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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Watching TV: The 2012 general Social Survey asked a large number of people how much time they
spent watching TV each day. The mean number of hours was 3.09 with a standard deviation of 2.73.
Assume that in a sample of 32 teenagers, the sample standard deviation of daily TV time is 3.2 hours
and that the population of TV watching times is normally distributed. Can you conclude that the
population standard deviation of TV watching times for teenagers is greater than 2.73 ? Use the
a = 0.01 level of significance.
Part: 0/5
Part 1 of 5
State the appropriate null and alternate hypotheses.
Ho: (Choose one)
H1:0 (Choose one)
This hypothesis test is a (Choose one)
test.
Transcribed Image Text:Watching TV: The 2012 general Social Survey asked a large number of people how much time they spent watching TV each day. The mean number of hours was 3.09 with a standard deviation of 2.73. Assume that in a sample of 32 teenagers, the sample standard deviation of daily TV time is 3.2 hours and that the population of TV watching times is normally distributed. Can you conclude that the population standard deviation of TV watching times for teenagers is greater than 2.73 ? Use the a = 0.01 level of significance. Part: 0/5 Part 1 of 5 State the appropriate null and alternate hypotheses. Ho: (Choose one) H1:0 (Choose one) This hypothesis test is a (Choose one) test.
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