Quiz on Data Analysis

What is the interquartile range?

• 4
• 6
• 2
• 8

What value is the lower quartile?

• 66
• 58
• 60
• 64

2. Which of the following best describes the process of finding the interquartile range for a set of data?

• Add the biggest and smallest numbers.
• Place the numbers in order from least to greatest and find the middle.
• Find the difference between the maximum and the minimum.
• Subtract Q1 from Q3.

4. Which of the following lists all the five numbers needed to make a box plot?

• Mean, Median, Mode, Range, and Total

• Minimum, Quartile 1, Median, Quartile 3, and Maximum

• Smallest, Q1, Q2, Q3, and Q4

• Minimum, Maximum, Range, Mean, and Median

Find the median of these numbers:

2, 5, 4, 3, 7, 5, 5,

• 4

• 5

• 3

• 6

What is the median?

• biggest- smallest
• average
• the middle #
• # that happens the most

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

• 25%
• 50%
• 75%
• 100%

Tags

CCSS.HSF.IF.B.4

What is the range?

• average
• biggest-smallest
• the middle #
• # happening the most

Determine the IQR for this set of data. 12, 13, 14, 15, 17, 18, 19, 19, 22, 23

• 14

• 5

• 17.5

• 19

• The median test score is 80.

• The lower quartile is 65.

• The upper quartile is 90.

• The IQR is 30.