Question 1
Aχ2 goodness-of-fit test is appropriate for which type of data?
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bivariate numeric data
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univariate numeric data
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bivariate categorical data
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univariate categorical data
Question 2
An informal survey of 220 adults who reported their gender as male or female (M or F) was conducted, and their reported smoking status (Current, Former, Never) was recorded.
| Current | Former | Never |
| Male | 21 | 30 | 64 |
| Female | 8 | 17 | 80 |
Based on the data provided, does it appear that gender and smoking status are dependent? Select the appropriate critical value (CV), test statistic (TS), and conclusion.
(Useα= 0.05.)
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CV = 5.9915, TS = 10.7688; the sample provides sufficient evidence to reject the statement that smoking status and gender are independent.
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CV = 5.9915, TS = 10.7688; the sample provides insufficient evidence to reject the statement that smoking status and gender are independent.
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CV = 12.5916, TS = 13.2275; the sample provides insufficient evidence to reject the statement that smoking status and gender are independent.
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CV = 12.5916, TS = 13.2275; the sample provides sufficient evidence to reject the statement that smoking status and gender are independent.
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