Here are the results of a cross-tabulation table drawn from sample data. Two variables were measured in this study, age and concern about rising inequality in US society. Very concerned Somewhat concerned Not at all concerned Over 30 10 35 55 30 or younger 60 25 15 n = In our study of feelings about inequality in the US ______________% of the sample is over 30 and ____________ % is 30 or younger. According to our study____________ % of respondents are very concerned about rising inequality in the US, while __________ % of people we surveyed are not at all concerned. Importantly, we note that ___________% of respondents who are 30 or younger are very concerned with rising inequality, while only __________% of respondents over 30 feel this way about the issue. Clearly we are onto something here. But, we need to answer a very important question before we go public with this. What is that question and why is it important? How many degrees of freedom are represented in this table? df = _____________ What is the critical value of chi-square for the .05 & .01 alpha levels? α = .05, critical value = _______ α = .01, critical value = ___________ Compute chi-square using the data in the table above. χ2 = ______________ Based on this test, we should __________________ the null hypothesis. What does this mean for our study? What are the highlights of the findings and conclusions? How would they look in a short press release that we can send to the Times paper.
Here are the results of a cross-tabulation table drawn from sample data. Two variables were measured in this study, age and concern about rising inequality in US society.
|
|
Very concerned |
Somewhat concerned |
Not at all concerned |
|
|
Over 30 |
10 |
35 |
55 |
|
|
30 or younger |
60 |
25 |
15 |
|
|
|
|
|
|
n = |
- In our study of feelings about inequality in the US ______________% of the sample is over 30
and ____________ % is 30 or younger.
According to our study____________ % of respondents are very concerned about rising
inequality in the US, while __________ % of people we surveyed are not at all concerned.
Importantly, we note that ___________% of respondents who are 30 or younger are very
concerned with rising inequality, while only __________% of respondents over 30 feel this way
about the issue.
Clearly we are onto something here. But, we need to answer a very important question before we go public with this. What is that question and why is it important?
How many degrees of freedom are represented in this table? df = _____________
What is the critical value of chi-square for the .05 & .01 alpha levels?
α = .05, critical value = _______ α = .01, critical value = ___________
Compute chi-square using the data in the table above. χ2 = ______________
Based on this test, we should __________________ the null hypothesis. What does this mean for our study?
What are the highlights of the findings and conclusions? How would they look in a short press release that we can send to the Times paper.
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