Question

1. The following formula calculates the ______________. ?=χobt2n A. chi-square statistic B. expected cell frequencies C....

1. The following formula calculates the ______________.

?=χobt2n

A. chi-square statistic

B. expected cell frequencies

C. phi-coefficient

D. Cramer's V

E. gamma

2.The following formula calculates the ______________.

?=RMi×CMin

A. chi-square test statistic

B. expected cell frequencies

C. phi-coefficient

D. lambda

E. Yule's Q

3.The following formula calculates the ______________.

?=∑i=1k(fo−fe)2fe

A. lambda

B. expected cell frequencies

C. phi-coefficient

D. chi-square statistic

E. Yule's Q

4. A(n) ____________ is a statistic that informs us about the strength, or magnitude, as well as the direction of the relationship between two variables.

A. chi-square

B. p-value

C. measure of association

D. critical value

E. expected frequency

5. You have a dataset from a random sample of U.S. adults and are analyzing two variables measured as follows: Education (0=less than high school; 1=completed high school; 2=some college or more) and Marijuana use in past year (0=never; 1=once; 2=twice; 3=three or more times). Which statistic is most appropriate for describing the strength of the relationship between these two variables?

A. Chi-square

B. Phi-coefficient

C. Lambda

D. Goodman and Kruskal's gamma

E. Yule's Q

Math   Statistics-And-Probability   
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Answer #1

1. The following formula calculates the ______________.

?=χobt2n

A. chi-square statistic

3.The following formula calculates the ______________.

?=∑i=1k(fo−fe)2fe

D. chi-square statistic

4. A(n) ____________ is a statistic that informs us about the strength, or magnitude, as well as the direction of the relationship between two variables.

C. measure of association

5. You have a dataset from a random sample of U.S. adults and are analyzing two variables measured as follows: Education (0=less than high school; 1=completed high school; 2=some college or more) and Marijuana use in past year (0=never; 1=once; 2=twice; 3=three or more times). Which statistic is most appropriate for describing the strength of the relationship between these two variables?

D. Goodman and Kruskal's gamma

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