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1. |
Refer to the stem-and-leaf plot below. |
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A. |
Sixty is the greatest number in the data set. |
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B. |
Four numbers are represented in the stem-and-leaf plot. |
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C. |
Five numbers are represented in the stem-and-leaf plot. |
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D. |
Most of the numbers fall between 30 and 49. |
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Hint |
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2. |
Find the mean for the data set
99, 103, 140, 153, 109, 92, 125, 110, 140. |
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A. |
61 |
B. |
119 |
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C. |
140 |
D. |
110 |
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Hint |
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3. |
Find the mode of the set of data. 24, 25, 30, 31, 31, 33, 34, 38, 41, 42, 44, 48, 49, 67 |
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A. |
67 |
B. |
36 |
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C. |
34 |
D. |
31 |
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Hint |
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4. |
Find the median of {55, 21, 21, 69, 71}. |
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A. |
55 |
B. |
21 |
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C. |
47.4 |
D. |
71 |
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Hint |
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5. |
You have scores of 62, 75, and 90 on three of your history exams. What do you need to get on your fourth exam in order to have a mean of 80? |
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A. |
93 |
B. |
100 |
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C. |
80 |
D. |
97 |
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Hint |
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