Statistics Review

What is the mean absolute deviation for the scores to the nearest hundredth?

What is the median score for the students in Mr. Maramonte's class?

What is the mode of the class?

Draw a box-and-whisker plot to display the data

Alexandra worked 5 hours on Monday, 4.5 hours on Tuesday, and 2.5 hours on Wednesday. Which is closest to the mean number of hours she worked over the three-day period?

• 3 hrs

• 4 hrs

• 5 hrs

• 6 hrs

What is the median of the data represented in the line plot?

• 1

• 1.5

• 2

• 2.5

If a is a positive number, what is the mean of the data: 2a, 3a, 3a, 8a

• 2a

• 3a

• 4a

• 16a

What is the mean absolute deviation of the data?

• 2.875

• 3

• 6.6

• 23

For the data set, which of the following measures is greatest? {3, 3, 4, 5, 6, 8, 16, 20}

• mean

• median

• range

• mode

The histogram shows the number of video games members of three classes play each week. How many more students play 18-23 games than play 0-5 games?

• 10

• 15

• 20

• 25