Practice and Problem-Solving Exercises

A Practice

See Problem 1.

Use the data to make a frequency table.

7. wing spans (cm): 150 126 139 144 125 149 133 140 142 149 150 127 130
8. marathon times (min): 135 211 220 180 175 161 246 201 192 167 235 208
9. top speeds (mi/h): 108 90 96 150 120 115 135 126 165 155 130 125 100

See Problem 2.

Use the data to make a histogram.

10. costs of items: $11 $30 $22 $8 $15 $28 $17 $17 $1 $19 $29 $21 $12 $25
11. ages of relatives: 18 5 27 34 56 54 9 14 35 22 78 94 47 52 2 16 17 10
12. restaurant waiting times (min): 20 35 15 25 5 10 40 30 10 50 20 60 10 8
13. points per game: 10 2 13 18 22 20 8 9 12 33 10 13 21 18 5 16 17 13

See Problem 3.

Tell whether each histogram is uniform, symmetric, or skewed.

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