193k views
2 votes
44 students completed some homework and the histogram shows information about the times taken. Work out an estimate of the interquartile range. In your working you must show the lower and upper quaratiles

User Laurencer
by
6.3k points

1 Answer

7 votes

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

User Ruyadorno
by
6.2k points