Measures of Center and Dot Plots

What is the IQR of the Cruisers?

• 4

• 6

• 13

• 9

Which car club has the higher median?

• Cruisers

• Car Hops

• Neither, they are the same

What is the difference between the medians for cars and SUVs?

• 0

• 5

• 7

• The freshmen averaged 1 more coat collected than the sophomores.

• The freshmen averaged the same number of coats collected as the sophomores.

• The sophomores averaged 1 more coat collected than the freshmen

• The sophomores averaged 3 more coats collected than the freshmen.

• The minimum is 39

• The lower quartile is 44

• The median is 45

• The maximum is 51

• Peter received the same score three times in Week 1

• Peter had one very low score in Week 2

• Peter did not beat his high score from Week 1 in Week 2

• Peter has one very high score in Week 1

Which of the following dot plots can be used to create the histogram?

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• 
• 
• 

Which of the following statements is NOT supported in the data in the dot plot?

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• 
• 
• 

Which of the following statements is true?

• The median shoes sold by Tim was 13 pairs.

• The median shoes sold by Caleb was 2 pairs more than Tim.

• The median shoes sold by Caleb was the same as the median sold by Tim.

• There is not enough information to compare the shoe sales for Caleb and Tim.

Should we use the mean or the median to represent the center of the data?