Module 19

Which dot plot has the greatest variability?

• A
• B
• C
• D

The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?

• 99 was the highest score on the test.
• More students received a 94 than any other score
• No student scored below a 50
• A score of 91 was slightly below average.

What measure of center was most affected by the outlier?

• mean
• median
• mode
• range

If there is an outlier in the data, what measure of center would be the best average for the data?

• Mean

• Median

• Mode

• Range

What is the shape of the distribution?

• The distribution is approximately symmetrical.

• The distribution is skewed to the right.

• The distribution is skewed to the left.

• The distribution is approximately uniform.

Which is a true statement based on the box plots above

• The data for Team B have the greater range.

• The data for Team A are more symmetric.

• The data for Team B have the greater interquartile range.

• The data for Team A have the greater median.

Which is a true statement based on the dot plots above?

• Set B has the greater range

• Set B has the greater median

• Set B has the greater mean

• Set A is less symmetric that Set B

The box plots show data from a survey of students under 14 years old. They were asked on how many days in a month they read and draw. Based on the box plots, which is a true statement about the students?

• Most students draw at least 12 days a month.

• Most students read less than 12 days a month.

• Most students read more often than they draw.

• Most students draw more often than they read.

What is the difference in medians of the two box plots?

• 3

• 4

• 5

• 2

Which statement is true about the interquartile range?

• Class 1 has and interquartile range of 4 which is greater than the interquartile range of Class 2.

• Class 1 has and interquartile range of 5 which is greater than the interquartile range of Class 2.

• Class 1 has an interquartile range of 4, and Class 2 has an interquartile range of 5.

• Class 1 and Class 2 have an interquartile range of 14.