Question

Interpret the results. (What was done? What was found? What does it mean? What suggestions exist for future research?)

13.132 A sociologist wanted to see if there was a relationship between a family’s educational status and the eliteness of the college that their oldest child attended. She measured educational status by counting how many years of education beyond high school the parents had received. In addition, she mea-sured the eliteness of the school by its yearly tuition, in thousands (e.g., 5 = $5,000). She obtained a random sample of 10 families.

1

2

3

4

5

6

7

8

9

10

Years post-HS education

0

7

8

8

4

5

12

17

8

2

Yearly tuition

12

26

33

18

20

7

15

38

41

5

15.88 A political scientist developed a theory that after an election, supporters of the losing candi-date removed the bumper stickers from their cars faster than did supporters of the winning candidate. The day before a presidential election, he randomly selected parking lots, and at each selected parking lot, he randomly selected one car with a bumper sticker and recorded which candidate it supported. The day after the election, he followed the same procedure with a new sample of randomly selected parking lots. For both days, he then classified the bumper stickers as supporting the winning or losing candidate. Below are the results. Use hypothesis testing to see if a difference exists between how winners and losers behave.

Observed Frequencies

Winner

Loser

Before

After

34

28

32

10

Answer 1

13.132)
15.88) We can use chi-square test of independence


Formulas

TS = 4.923 > critical value

hence we reject the null hypothesis

we conclude that there is evidence that variables are related.

Please give a thumbs up for the explanation.