1. | In a stem-and-leaf plot, ______. | |||||

the stems are on the right side and the leaves are on the left side | ||||||

0 can never be a leaf | ||||||

0 can never be a stem | ||||||

a key is used to describe what the numbers in the plot represent. | ||||||

Hint | ||||||

2. | Find the mean for the data set 99, 103, 140, 153, 109, 92, 125, 110, 140. |
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61 | 119 | |||||

140 | 110 | |||||

Hint | ||||||

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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34 | 36 | |||||

67 | 31 | |||||

Hint | ||||||

4. | 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? | |||||

97 | 80 | |||||

93 | 100 | |||||

Hint | ||||||

5. | A line plot gives a fairly good representation of the distribution of data. | |||||

False, the best distribution is always shown with a circle graph. | ||||||

False, because not all of the data is represented. | ||||||

False, because the data that occurs the most is not shown. | ||||||

True | ||||||

Hint | ||||||