Question

The line plots show the results of a survey of 10 boys and 10 girls about how many hours they slept the previous night.

Select from the drop-down menus to complete each statement.

The range [choose....]
The mean . [choose....]

Answer 1

Answer:

Range: 6 hours (9 - 3) (highest value - lowest value)

Mean: 7.15 hours

3+6+7+7+8+8+8+8+9+10+5+6+6+6+7+7+7+8+8+9=143

143/20=7.15