Quiz - Representing and Describing Data

Find the MEAN of Brian's math test scores:

86, 90, 93, 85, 92

• 89.2

• none

• 90

• 8

Find the MEDIAN of Brian's test scores:

86, 90, 92, 93, 85

• 89.2

• none

• 90

• 8

Which interval has 400 employees?

• 33-43
• 0-10
• 77-87
• 66-76

How many students scored between a 86 and a 90?

• 1
• 3
• 6
• 10

What was the median score?

• 39

• 50

• 55

• 16

What is the lower quartile?

• 90cm

• 85cm

• 98cm

• 70cm

What percent of students have a height between 58 inches and 60 inches?

• 25%

• 50%

• 75%

• 100%

Describe the histogram:

• Left Skewed
• Symmetrical
• Right Skewed
• Uniform

What percentage of the data sits below Q₃ (the right end of the box) in a boxplot?

• 25%

• 50%

• 75%

• 100%

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

• 25%

• 50%

• 75%

• 100%