Correlations 1. It is well known that similarity in attitudes, beliefs, and inte
ID: 3063900 • Letter: C
Question
Correlations 1. It is well known that similarity in attitudes, beliefs, and interests play an important role in interpersonal attraction. A researcher developed a questionnaire to measure these similarities They gave the questionnaire to 8 married couples. She predicted that there would be a relationship between husband's and wives' scores. The following are their data: fx-x) [spy) ( x- Husband (x) Wife (y) 14 18 15 4.49 33 0 1.71 5.1.3% lo.Su 1.40 10 >5 .ya su -Q 25 5.ou ,38 3 37.9 7.25 8.38 a. State the research and null hypothesis how hushand s dna wives heau Sn ra inurCsts Ho; Ttere il no re tefic.nsniP b. Calculate the r and df -,078 a.1 43 131.34 2,04 52 0 19 c Using your correlation table determine if the correlation is statistically significant and state your results in plain English and APA style.Explanation / Answer
Ho: there is no correlation
Ha: there is a relation
b)
r = 0.909146
your calculation is wrong
c)
critical r = 0.811
since 0.9091 > 0.811
we reject the null hypothesis
the correlation is significant
2)
df = n-2 = 6-2=4
critical r = 0.95
r = 0.850729
we fail to reject the null
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