Twenty students are given an attitude test before and after viewing a motion picture designed to change their attitudes favorably toward a new curriculum. A high score indicates a favorable attitude and a low score indicates an unfavorable attitude, with the scores ranging from 1 to 30. This problem will use the sign test on the data given below to see if we can conclude the motion picture was successful in improving attitudes. Describe what the test statistic is for the sign test.
________________________________________________________
What is the value of the test statistic in this problem?
______________
Is this a one-tailed test or a two-tailed test?
______________
Find the rejection region for = 0.10.
Reject when T > ______________
Using as above, can we conclude the motion picture was successful in changing attitudes?
______________
Conclusion: The motion picture was ______________ in changing attitudes.
At what level of significance could we reject H₀?
______________

Question

Twenty students are given an attitude test before and after viewing a motion picture designed to change their attitudes favorably toward a new curriculum. A high score indicates a favorable attitude and a low score indicates an unfavorable attitude, with the scores ranging from 1 to 30. This problem will use the sign test on the data given below to see if we can conclude the motion picture was successful in improving attitudes.

Describe what the test statistic is for the sign test.
________________________________________________________
What is the value of the test statistic in this problem?
______________
Is this a one-tailed test or a two-tailed test?
______________
Find the rejection region for

= 0.10.
Reject

when T > ______________
Using

as above, can we conclude the motion picture was successful in changing attitudes?
______________
Conclusion: The motion picture was ______________ in changing attitudes.
At what level of significance could we reject H₀?
______________

Quizplus · Accepted Answer

The Answer of Twenty students are given an attitude test before and after viewing a motion picture designed to change their attitudes favorably toward a new curriculum. A high score indicates a favorable attitude and a low score indicates an unfavorable attitude, with the scores ranging from 1 to 30. This problem will use the sign test on the data given below to see if we can conclude the motion picture was successful in improving attitudes. Describe what the test statistic is for the sign test. ________________________________________________________ What is the value of the test statistic in this problem? ______________ Is this a one-tailed test or a two-tailed test? ______________ Find the rejection region for = 0.10. Reject when T > ______________ Using as above, can we conclude the motion picture was successful in changing attitudes? ______________ Conclusion: The motion picture was ______________ in changing attitudes. At what level of significance could we reject H₀? ______________

Twenty Students Are Given an Attitude Test Before and After