Grade 8 Averages for grouped data practice work.

• 28.54

• 28.34

• 25.76

• 24.68

• 14, 280

• 10, 200

• 12, 240

• 8, 160

• 11, 220

Use the table to calculate an estimate for the mean number of words. Give your answer to two decimal places.

• 21.19

• 43.23

• 20.74

• 15,63

• 8.8

• 15.4

• 14.3

• 13.7

• 30.67

• 12.24

• 35.61

• 28.42

• A

• B

• C

• D

• E

For this table of data, what is the modal class?

• 0-<10

• 30-<40

• 20-<30

• 40-<50

For this grouped data, which is the median class?

• 20-<30

• 30-<40

• 40-<50

• 0-<10

What is the modal class of this distribution?

• [8 - 8,5)

• [7 - 7,5)

• [7,5 - 8)

• [5 - 5,5)

The value of X in the table is

• 32

• 70

• 35

• 38