16. Jason wants to determine how age and gender are related to political party preference in his town. Voter regis- tration lists are stratified by gender and age-group. Jason selects a simple random sample of 50 men from the 20 to 29 age-group and records their age, gender, and party registration (Democratic, Republican, neither). He also selects an independent simple random sample of 60 women from the 40 to 49 age-group and records the same information. Of the following, which is the most important observation about Jason's plan? (A) The plan is well conceived and should serve the intended purpose. (B) His samples are too small. (C) He should have used equal sample sizes. (D) He should have randomly selected the two age groups instead of choosing them nonrandomly. (E) He will be unable to tell whether a difference in party affiliation is related to differences in age or to the difference in gender.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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16. Jason wants to determine how age and gender are related to political party preference in his town. Voter regis-
tration lists are stratified by gender and age-group. Jason selects a simple random sample of 50 men from the
20 to 29 age-group and records their age, gender, and party registration (Democratic, Republican, neither). He
also selects an independent simple random sample of 60 women from the 40 to 49 age-group and records the
same information. Of the following, which is the most important observation about Jason's plan?
(A) The plan is well conceived and should serve the intended purpose.
(B) His samples are too small.
(C) He should have used equal sample sizes.
(D) He should have randomly selected the two age groups instead of choosing them nonrandomly.
(E) He will be unable to tell whether a difference in party affiliation is related to differences in age or to the
difference in gender.
Transcribed Image Text:16. Jason wants to determine how age and gender are related to political party preference in his town. Voter regis- tration lists are stratified by gender and age-group. Jason selects a simple random sample of 50 men from the 20 to 29 age-group and records their age, gender, and party registration (Democratic, Republican, neither). He also selects an independent simple random sample of 60 women from the 40 to 49 age-group and records the same information. Of the following, which is the most important observation about Jason's plan? (A) The plan is well conceived and should serve the intended purpose. (B) His samples are too small. (C) He should have used equal sample sizes. (D) He should have randomly selected the two age groups instead of choosing them nonrandomly. (E) He will be unable to tell whether a difference in party affiliation is related to differences in age or to the difference in gender.
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