Statistical Questions and Box Plots

What is the IQR of the Cruisers?

• 4

• 6

• 9

• 13

What percent of students have a height between 60 inches and 66 inches?

• 25%

• 50%

• 75%

• 100%

33, 25, 42, 25, 31, 37, 46, 29, 38

What is the Q3 of the data?

• 37

• 38

• 40

• 42

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

• Q3

• Q1

• Median

• Minimum

What is the overall shape of the graph?

• Approximately Symmetrical
• Skewed left
• Skewed right

How are the mean and the median likely to be related in this histogram?

• Mean > Median
• Mean = Median
• Mean < Median
• Cannot be determined

The height of all the students in Ms. Long's class are recorded in the table. In which interval would the median fall?

• 60-65
• 50-54
• 40-44
• 55-59

Rhaul measured the heights of the apple trees in an orchard. What percent of the trees are 5-9 feet tall?

• 18.9%
• 31%
• 22.1%
• 10%

Are there any outliers for the set of data below? If so, what are they?

84, 88, 72, 74, 98, 16, 94

• Yes, 16 is an outlier.

• Yes, 33 is an outlier.

• Yes, 98 is an outlier.

• There are no numbers less than 39 or greater than 124, therefore there are no outliers.

Using the information below, identify which of the following is NOT an outlier:
Q1 = 53
Q2 = 55
Q3=61

• 73
• 40
• 80
• 73.5