Data and Statistics

What data value is the upper quartile (Q3)?

• 64

• 62

• 66

• 58

Find the Lower Quartile (Q1) of the following numbers:

• 72

• 88

• 94

• 22

Find the Upper Quartile (Q3) of the following numbers:

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

• 72

• 88

• 94

• 22

Find the IQR of the following numbers:

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

• 22

• 12

• 82

• 72

Which of the following lists all parts of the five number summary?

• Minimum, Mean, Median, Mode, and Maximum

• Minimum, Q1, Median, Q3, and Maximum

• Smallest, Q1, Q2, Q3, and Q4

• Minimum, Maximum, Range, Mean, and Median

Which data set has the largest standard deviation?

• Set 1

• Set 2

• They have the same standard deviation

What is the (75th Percentile) for this dot plot?

• 75

• 80

• 85

• 95

What is the Q1 (25th Percentile) for this dot plot?

• 75

• 80

• 85

• 95

• 15.17

• 3.85

• 4.22

• 5

Find the median.

12, 5, 9, 18, 24, 27, 5, 1, 25, 14

• 12

• 14

• 13

• 18