Algebra 1 Common Core Student Edition, Grade 8-9

4 Lesso n Ch eck

Do y o u k n o w H OW?

The data below show battery life, in hours, for

different brands of batteries.

12 9 10 14 10 11 10 18 21 10 14 22

1. Make a frequency table of the data.


2. Make a histogram of the data.


3. Make a cumulative frequency table of the data.

_ ^ MATHEMATICAL

Do yo u UN DERSTAN D? PRACTICES

4. Vocabulary How might a frequency table help a
   store owner determine the busiest business hours?


5. Compare and Cont rast What is the difference
   between a symmetric histogram and a
   skewed histogram?

6. W r i t i n g How can you use a frequency table of a data

set to construct a cumulative frequency table?

Pr act i ce an d Pr o b l em - So l v i n g Ex er ci ses

MATHEMATICAL

PRACTICES

Pr act i ce 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

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

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

Interval Interval

Se e Pr o b l e m 1.

Se e Pr o b l e m 2.

Se e Pr o b l e m 3.

Interval Interval