Determine the null and alternative hypotheses. At one school, the average amount of time that tenth-graders spend watching television each week is 21.6 hours. The principal introduces a campaign to encourage the students to watch less television. One year later, the principal wants to perform a hypothesis test to determine whether the average amount of time spent watching television per week has decreased. Choose the best asnwer below: A. H0: μ = 21.6 hours HA: μ > 21.6 hours B. H0: μ = 21.6 hours HA: μ ≤ 21.6 hours C. H0: μ < 21.6 hours HA: μ > 21.6 hours D. H0: μ = 21.6 hours HA: μ < 21.6 hours E. H0: μ < 21.6 hours HA: μ = 21.6 hours
Determine the null and alternative hypotheses. At one school, the average amount of time that tenth-graders spend watching television each week is 21.6 hours. The principal introduces a campaign to encourage the students to watch less television. One year later, the principal wants to perform a hypothesis test to determine whether the average amount of time spent watching television per week has decreased. Choose the best asnwer below: A. H0: μ = 21.6 hours HA: μ > 21.6 hours B. H0: μ = 21.6 hours HA: μ ≤ 21.6 hours C. H0: μ < 21.6 hours HA: μ > 21.6 hours D. H0: μ = 21.6 hours HA: μ < 21.6 hours E. H0: μ < 21.6 hours HA: μ = 21.6 hours
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 22PFA
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Determine the null and alternative hypotheses.
At one school, the average amount of time that tenth-graders spend watching television each week is 21.6 hours. The principal introduces a campaign to encourage the students to watch less television. One year later, the principal wants to perform a hypothesis test to determine whether the average amount of time spent watching television per week has decreased.
At one school, the average amount of time that tenth-graders spend watching television each week is 21.6 hours. The principal introduces a campaign to encourage the students to watch less television. One year later, the principal wants to perform a hypothesis test to determine whether the average amount of time spent watching television per week has decreased.
Choose the best asnwer below:
A. H0: μ = 21.6 hours
HA: μ > 21.6 hours
HA: μ > 21.6 hours
B. H0: μ = 21.6 hours
HA: μ ≤ 21.6 hours
HA: μ ≤ 21.6 hours
C. H0: μ < 21.6 hours
HA: μ > 21.6 hours
HA: μ > 21.6 hours
D. H0: μ = 21.6 hours
HA: μ < 21.6 hours
HA: μ < 21.6 hours
E. H0: μ < 21.6 hours
HA: μ = 21.6 hours
HA: μ = 21.6 hours
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