Statistics Review

Is there an outlier in the follow set of data?

• Yes, 19

• No

• Yes, 65

What does the MAD tell us about a data set?

• The average number

• The measure of variation

• The number that occurs most often

• The middle number

What is the difference between the medians for the two data sets? 

• 0 tickets

• 2 tickets

• 4 tickets

• 6 tickets

Compare the centers and spreads. 

•  Math has a higher median (center) and a wider spread.

•  Math has a higher median (center) and a smaller spread.

• Math has a lower median (center) and a smaller spread.

• Math has a lower median (center) and a wider spread.

Which class period has a greater range of test scores?

• 1st Period

• 2nd Period

• They're the same.

• You can't tell.

Which group has a smaller interquartile range?

• Group A

• Group B

• They're the same.

• You can't tell.

Which statement is true based on the box plots?

• Plot 2 has a larger spread than plot 1.

• Plot 1 and plot 2 have a center score of 60.

• Plot 1 has a minimum of 30 and plot 2 has a maximum score of 75.

• Plot 2 has a larger IQR than plot 1.

The box plots pictured compare the number of points two basketball players scored per game over 25 games last season.
Which statement is supported by the information in the box plots pictured?

• Player A has a larger spread in the points he scored than Player B.

• Player A has a larger center than Player B.

• Player A scored points in all 25 games, but Player B did not.

• Player A and Player B each scored 36 points in at least one of the 25 games.

Find the medians.
Science: _________ Math: __________ 

•  science: 4.5 h; math: 3 h

•  science: 3 h; math: 4.5 h

•  science: 5 h; math: 5 h

•  science: 3.5 h; math: 4 h

Which statement correctly describes the shapes of the dot plots for cars and SUVs?

• SUVs: symmetrical
  Cars: skewed left

• Both are skewed left

• Both are symmetrical

• SUVs: skewed right
  Cars: Skewed left