(Mean, Median, Mode)

Measures of Center

(Mean, Median, Mode)

(Mean, Median, Mode)

Measures of Variability

(Range, IQR, MAD)

(Range, IQR, MAD)

Interpreting/Comparing

Stem & Leaf Plots / Dot Plots

Stem & Leaf Plots / Dot Plots

Interpreting/Comparing

Histograms / Box Plots

Histograms / Box Plots

Populations, Samples, & Bias

100

What is the mode of the data set below?

{1, 3, 3, 3, 4, 5, 6, 6, 7, 8, 9, 10, 10, 10, 12}

3 and 10

100

What is the range of the data set below?

{5, 8, 15, 18, 25}

20

100

What is the range of the stem and leaf plot?

41

100

How many black cherry trees are between 70 and 80 feet tall?

18

100

Mary just moved to a new city and wanted to find out which grocery store is the best. So she went to the Food Lion parking lot and surveyed people as they left the store. Is the data that Mary is collecting biased?

Yes

200

What is the mean of the data set below?

{10, 11, 15, 20}

14

200

What is the IQR of the data set below?

{3, 6, 8, 8, 12, 16, 19}

10

200

How many trains had more than 50 passengers?

11

200

How many black cherry trees are less than 75 feet tall?

14

200

A furniture store wants to know if their customers are satisfied with their service. They decide to survey every 10th customer on their way out of the store. Is this sample random or not random?

Random

300

What is the mean of the data set below?

{22, 26, 29, 30, 35, 39, 45, 46}

34

300

What is the IQR of the data set below?

{2,4,6,8,10,12,14,16,18}

10

300

Which brand had more phones batteries last at least 15 hours?

Brand B

300

What is the median score on this test?

85

300

C

400

What is the median of the data set below?

{19, 24, 26, 28, 31, 36, 39, 40, 44, 46, 48, 48, 49}

39

400

What is the MAD of the data set below? DO NOT ROUND.

{10, 11, 15, 20}

3.5

400

How many people slept 8 hours?

8

400

Which has a larger range in their length, ladybugs or beetles?

beetles

400

A shipment to a warehouse consists of 3,500 MP3 players. The manager chooses a random sample of 50 MP3 players and finds that 3 are defective. Infer how many MP3 players in the shipment are likely to be defective?

210

500

What is the median of the data set below?

{21, 22, 24, 26, 27, 29, 30, 33}

26.5

500

What is the MAD of the data set below? DO NOT ROUND.

{22, 26, 29, 30, 35, 39, 45, 46}

7.25

500

Which grade had more success finding butterflies?

sixth-grade

500

B

500

A seventh-grade student chooses a random sample of 50 out of 400 students in the school. He finds that 7 students have traveled outside the United States. Based off the sample, infer how many students in the school have traveled outside the United States.

56

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