Data Management Test Grade 8

Madison bowled 7 games last weekend. Her scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Madison's scores?

• 193

• 127

• 60

• 66

The scores awarded to 25 students for an assignment at Whaley's were as follows:

4 7 5 9 8 6 7 7 8 5 6 9 8 5 8 7 4 7 3 6 8 9 7 6 9

What is the mode?

• 6

• 7

• 8

• 9

Find the mean of these numbers:
5,11,2,12,4,2

• 4.1
• 6
• 4.5
• 4

To find the mean of a set of numbers, add up all the items and divide by...

• 2
• The minimum
• The maximum
• The number of items

The number of miles that Sahil cycled each week for a 7-week period is shown:

36, 42, 28, 52, 48, 36, 31

What is the median number of miles Sahil cycled?

• 24

• 36

• 39

• 52

At which age do the least amount of teens have a cell phone?

• 18
• 14
• 13
• 15

What is the difference between Ameya's 12th grade math score and his 7th grade math score?

• 72

• 91

• 21

• 19

What is the general trend of this line graph?

• The more you mow, the less money you make.
• You make the same amount of money regardless of how long you mow.
• The more you mow, the more money you make.
• Mowing is dangerous.

The graph below shows the number of sunny days and rainy days in a city during four months.

Based on the graph,how many more sunny days than rainy days did this city have during the months of April, May, and June?

• 21
• 56
• 26
• 20

What type of correlation does this graph have?

• Negative

• no association

• positive