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44 students completed some homework and the histogram shows the times taken.
work out an estimate of the interquartile range.
in your work you must show the lower and upper quartiles

44 students completed some homework and the histogram shows the times taken work out an estimate of the interquartile range in your work you must show the lower class=

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Answer:

1.4×5=7

0.8×10=8

1.4×10=14

1×15=15

15+14+8+7=44

44÷4=11

LQ of 44=11

LQ=10 minutes

11×3=33

UQ= 29 minutes

the Range is 19 minutes

Step-by-step explanation:

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