Quiz 1 Review

• The data for soccer players are skewed right.

• The data for soccer players have less spread than the data for basketball players

• The data for basketball players have the same median as the data for soccer players.

• The data for basketball players have a greater mean than the data for soccer players.

Christopher looked at his quiz scores shown below for the first and second semester of his Algebra class.

Semester 1: 78, 91, 88, 83, 94

Semester 2: 91, 96, 80, 77, 88, 85, 92

Which statement about Christopher's performance is correct?

• The interquartile range for semester 1 is greater than the interquartile range for semester 2

• The median score for semester 1 is greater than the median score for semester 2.

• The mean score for semester 2 is greater than the mean score for semester 1.

• The third quartile for semester 2 is greater than the third quartile for semester 1

Mathematical Equivalence

ON

• Andrew has a higher mean than Donna

• Donna and Andrew have the same median

• Andrew has a larger interquartile range than Donna

• The 3rd quartile for Donna is greater than the 3rd quartile for Andrew

• 7

• 2

• 3

• 4

• median of A is greater than median of B

• range of A is less than range of B

• upper quartile of A is less than upper quartile of B

• lower quartile of A is greater than lower quartile of B

which is NOT true

• The median is 3

• The interquartile range is 2

• The mean is 5

• The data contain no outliers

Which box and whisker plot has the smallest Q1?

• Top plot
• Bottom plot

What is the range in gas mileage for cars?

• 2
• 3
• 4
• 6

Elliot says almost everyone arrived at the party after 10:00 P.M., but Nancy thinks most people came earlier. When did a majority of the people arrive? 

• 7:00-7:59 P.M.
• 8:00–8:59 P.M.
• 9:00–9:59 P.M.
• 10:00–10:59 P.M.