Data Collection Test

Which best describes the scatter plot below?

• Negative Association; Linear

• Negative Association; Non-Linear

• Positive Association; Linear

• Positive Association; Non-Linear

What is the relative frequency of people that purchased no food?

• 10%

• 60%

• 15%

• 30%

Which graph shows a line of best fit for the scatter plot?

• Graph A

• Graph B

• Graph C

• Graph D

Tags

CCSS.8.EE.B.5

Describe the association for the scatterplot based on data plotted.

• As the weeks increase, the amount of money on the gift card increases.

• As the weeks decrease, the amount of money on the gift card increases.

• There is no relationship between the time in weeks and the amount of dollars.

• As the weeks increase, the amount of money on the gift card decreases.

Based on this two-way table, how many male students were surveyed?

• 30

• 29

• 50

• 59

According to the table, what is the relative frequency of Students ages 14 - 17 who skip breakfast?

• About 67%

• About 35%

• About 15%

• About 30%

The sum of all the items divided by the number of items in the set

• Mean

• Median

• Mode

• Range

Which value would change the most if 40 was added to the following set:  10, 9, 7, 8, 7, 7

• mean

• median

• mode

• outlier

Which test has the greater Interquartile Range?

• Test 1

• Test 2

• They are the same

What was the median score on the math test?

• 54

• 66

• 79

• 90