Question

For which of the following research designs would a matched pairs test be ideal? a) You have data on the mean income of residents in 45 different cities from the 2010 census and income information on the same cities in 2018 and you want to see if average incomes have increased from 2010 to 2018 b) You have data on how a random sample of voters plan to vote before the most recent debate, and how another random sample in the same area plan to vote after the debate and you want to see if the debate swayed voters c) A matched pairs test would be ideal in all of the situations d) You have data on the mean GPA of students participating in Greek Life at the U of A and students participating in Greek Life at Temple University and you want to see if Greek Life students at the two universities have different GPAs on average

Answer 1

ANSWER::

The following research designs would

OPTION: (d) IS CORRECT......

** A matched pairs test be ideal is 'you have data on the mean GPA of students participating in Greek Life at the U of A and students participating in Greek Life at Temple University and you want to see if Greek Life students at the two universities have different GPA's on average'

Reason:

Matched pair test is used to check if there is any significant mean difference between two sets of data.

So,Same samples are used before and after study hence can not use matched pair test.

Hence,'Two different samples' are required.

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