Mathematics

Problem

For the following data, state whether a frequency histogram or a column graph should be used, and draw the appropriate graph. a. The number of matches in 30 match boxes:

Number of matches per box	47	49	50	51	52	53	55
Frequency	1	1	9	12	4	2	1

b. The heights of 25 gymnasts (to the nearest cm):

Height ( $h$ cm)	Frequency
$120 \le h < 130$	1
$130 \le h < 140$	2
$140 \le h < 150$	7
$150 \le h < 160$	14
$160 \le h < 170$	1

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