1. The table below presents the observed frequency of males and females making A
ID: 3363970 • Letter: 1
Question
1. The table below presents the observed frequency of males and females making As, Bs, Cs, Ds, and Fs in a statistics class. Using this table as reference, which of the following quantities is the smallest?
A
B
C
D
F
Total
Male
13
25
34
34
6
112
Female
10
30
42
8
8
98
Total
23
55
76
42
14
210
2. The table below presents the observed frequency of males and females making As, Bs, Cs, Ds, and Fs in a statistics class. How many females would I expect to make a B if there is NO relationship between grades and gender?
A
B
C
D
F
Total
Male
13
25
34
34
6
112
Female
10
30
42
8
8
98
Total
23
55
76
42
14
210
3. The table below presents the observed frequency of males and females making As, Bs, Cs, Ds, and Fs in a statistics class. What is the relative risk of making an F in the class if you’re female (compared to males)?
A
B
C
D
F
Total
Male
13
25
34
34
6
112
Female
10
30
42
8
8
98
Total
23
55
76
42
14
210
A
B
C
D
F
Total
Male
13
25
34
34
6
112
Female
10
30
42
8
8
98
Total
23
55
76
42
14
210
Explanation / Answer
1. Correct answer: Of the men in the sample, the percentage who are making As.
2. Correct Answer: 25.67
since 98*55 / 210 =25.67
3. Correct Answer: 0.08
since 8/98 = 0.08
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