Question
A social researcher decides to test whether an individual's age and their opinion on the legalization of marijuana are independent. The researcher randomly interviews 1500
A social researcher decides to test whether an individual's age and their opinion on the legalization of marijuana are independent. The researcher randomly interviews 1500 individuals to determine their opinion regarding the legalization of marijuana. The results are given in the following contingency table. OPINION ON The LEGALIZATION OF MARIJUANA
AGES
FOR
AGAINST
UNDECIDED
Row Totals
17 - 27
a) 170
b) 100
c) 130
400
28 - 38
d) 155
e) 70
f) 125
350
39 - 49
g) 130
h) 100
i) 120
350
50 & Over
j) 145
k) 130
l) 125
400
Column Totals
600
400
500
1500
For this hypothesis test, can the social researcher conclude that an individual's age and their opinion on the legalization of marijuana are dependent at = 1%?
a. No, because the alpha level is greater than the critical chi-square value
b. Yes, because the test statistic is greater than the critical chi-square value
c. Yes because the test statistic is less than the critical chi-square value
d. none of these
e. No, because the p value is greater than the alpha level
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