A telephone company wants to determine whether the appeal of a new security system varies between...
A telephone company wants to determine whether the appeal of a new security system varies between homeowners and renters. Independent samples of 140 homeowners and 60 renters are randomly selected. Each respondent views a TV pilot in which a test ad for the new security system is embedded twice. Afterward, each respondent is interviewed to find out whether he or she would purchase the security system.
What type of hypothesis test is appropriate for this scenario?
| A Z-test for the difference between two means. |
| A t-test for the difference between two means. |
| A Z-test for one proportion. |
| Z-test for the difference between two proportions.. |
Homework Answers
The correct answer is,
" Z-test for the difference between two proportions."
● The z score test for two proportions is used when you want to know whether two populations or groups differ significantly on some single (categorical) characteristic
● Here we have two groups have categorical data.
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A telephone company
wants to determine whether the appeal of a new security system
varies between...
A telephone company wants to determine whether the appeal of a new security system varies between...
A telephone company wants to determine whether the appeal of a new security system varies between homeowners and renters. Independent samples of 140 homeowners and 60 renters are randomly selected. Each respondent views a TV pilot in which a test ad for the new security system is embedded twice. Afterward, each respondent is interviewed to find out whether he or she would purchase the security system. What type of hypothesis test is appropriate for this scenario? Z-test for the difference...
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