Test on Unit 8 Data Analysis

Justin and TJ are servers at a local restaurant. The table shows the tips they earned. Which student has a higher median tip for the week and by how much?

• Justin’s median tip is $4 more than TJ’s median tip.

• TJ’s median tip is $4 more than Justin’s median tip.

• Justin’s median tip is $3 more than TJ’s median tip.

• TJ’s median tip is $3 more than Justin’s median tip.

At a restaurant a manger recorded the sales for one of his servers named Damaria.

$52, $60, $48, $52, $46, $52, $28, $192, $71, $59

Which center should be used to best represent the data?

• Damaria’s mean sale is $70.

• Damaria’s median sale is $52.

• Damaria’s mode sale is $52.

• Damaria’s range of her sales is $164.

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

What is the mean of the following data set shown in the dot plot:

• 7.6

• 8.5

• 9.5

• 9

Tags

CCSS.6.SP.B.5C

Consider this data set:

20, 22, 31, 37, 39, 40

How would the range be affected if the data point 28 was added to the data set?

• The range would decrease by 0.5.

• The range would decrease by 3.

• The range would increase by 8.

• There would be no effect on the range.

Given a data set has the following summary statistics:

What is the Interquartile Range (IQR) of the data set?

• 2

• 4

• 10

• 25.4

Tags

CCSS.6.SP.B.5C

The average age of person at a party is 18 with a mean absolute deviation of 0.

Based on the statement which of the following statements must be true?

• Everyone at the party is 18 years old.

• At the party there are an equal number of people that are 17 years old and 19 years old.

• There must be at least 10 people at the party.

• At the party no one is 18 years old.

Tags

CCSS.6.SP.B.5C

What is the mean absolute deviation of the data set (use the table for help)?

• 0

• 4.4

• 5.2

• 12

Tags

CCSS.6.SP.B.5C

What is the Lower Quartile (Q1) of the Box and Whiskers data set shown in the graph?

• 1

• 3

• 7

• 8

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Consider the following histogram that shows the scores on the Unit 4 test from Mr. Winking.

How many students did not pass the test (their grade was below 70)?

• 0

• 1

• 2

• 3

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

This histogram shows the frequency distribution of duration times for 107 consecutive eruptions of the Old Faithful geyser. The duration of an eruption is the length of time, in minutes, from the beginning of the spewing of water until it stops. What is the BEST description for the distribution?

• bimodal

• uniform

• multiple outlier

• skewed right