Question

1. You are analyzing GSS data, and you are interested in whether or not respondents who have attended a worship service in the past week have a different number of days of activity limitation than respondents who did not attend a worship service in the past week .

   Information about the variables:

   Name: Days of activity limitation past 30 days

   Questions associated with this variable:

   C. During the past 30 days, for about how many days did your poor physical or mental health keep you from doing your usual activities, such as self-care, work, or recreation?

   Responses: 0-30 days

   Name: Last 7 days attend a worship service

   Questions associated with this variable:

   During the last seven days did you do the following:
   A. Attend a regular, weekly worship service at a church/synagogue (e.g. mass or Sunday morning services). Don't include watching a service on TV or listening to one on the radio.

   Code	Label
   1	Yes
   2	No
   9	No answer
   0	Not applicable

   Select the appropriate procedure.

   		two-sample t-test
   		the χ2-test-of-independence
   		ANOVA
   		regression
   		correlation
   		None of these

Answer 1

Since ,

we want to know respondents who have attended a worship service in the past week have a different number of days of activity limitation than respondents who did not attend a worship service in the past week

Here we want to test whether there is any difference between the observed data of past few weeks to other past days

There will be two groups of people:

That is we wabt to know is there any difference between observed frequency to Expected data.

So, we use chi square test of independence

Ans→chi square test of independence

Thanks!