Mean, Median, Mode, and Range, Input Output, Line Plots

Using the equation of the line of best fit, which number is the best prediction of the output when the input is 13?

• 170

• 127

• 159

• 178

The time in minutes for each of Sam’s phone calls this week are shown in the list. What is the mean of the duration of his calls?

• 7

• 8

• 9

• 72

For the data set shown below, which measure is the least?

{5, 6, 6, 8, 9, 10} 

• mean

• median

• mode

• range

Jordan and Alex are pitchers for the baseball team and are being evaluated by the coach. The speeds in miles per hour of each of their practice pitches is shown to the left. Which statement is true?

• Alex’s median speed is higher than Jordan’s mean speed.

• Jordan has a lower median speed. 

• Jordan has a lower mean speed. 

• Jordan has a greater range of speeds.

If a data set's mean is significantly higher than its median, what does this indicate about the data?

• The data is evenly distributed.

• The data is skewed to the left.

• The data is skewed to the right.

• The data cannot be skewed.

A school recorded the number of students who attended the monthly student council meeting throughout the school year in the table shown.

What is the minimum value?

• 64

• 58

• 66

• 60

What is the term for the median of the upper half of the data?

• Upper Quartile

• Lower Quartile

• Median

• Minimum

If our data set is skewed to the right or left we would measure the center by calculating the...

• Mode

• Mean

• Median

• Range

If we use the mean to measure the typical value or center of the data, we would use the _________ to measure the variability.

• IQR

• Median

• Mean

• Standard Deviation