Measures of Center and Spread

Based on the dot plots, what is the most common tip amount at Logan's?

• $2

• $3

• $4

• $5

What is the range of tip amounts at Buffalo Wild Wings?

• $7 to $15

• $8 to $17

• $7 to $17

• $8 to $15

Which restaurant has a tip amount of $10 shown on the dot plot?

• Logan's

• Buffalo Wild Wings

• Both Logan's and Buffalo Wild Wings

• Neither Logan's nor Buffalo Wild Wings

How many times was a tip amount of $9 given at Buffalo Wild Wings according to the dot plot?

• Once

• Twice

• Three times

• Four times

What statistical measure is represented by the single dot farthest to the right on the number line for the Freshmen class?

• Mean

• Median

• Mode

• Outlier

Based on the dot plot, what is the most frequent number of absences in the Freshmen class?

• 0

• 2

• 3

• 10

What value is indicated by the cluster of dots around the middle of the number line for the Freshmen class?

• Mean

• Median

• Mode

• Range

What is the mode of the data set 3, 2, 6, 4, 3, 5, 16 without considering any outlier?

• 3

• 4

• 5

• 16

What is the range of the data set 20, 17, 19, 22, 18, 17, 5 without considering any outlier?

• 5

• 15

• 17

• 22

Which statistical measure is most likely to be affected by an outlier in a data set?

• Mean

• Median

• Mode

• All of the above