One Variable Stats

What is the median?

• 62

• 58

• 66

• 60

What is the interquartile range (IQR)?

• 4

• 64

• 60

• 8

Which box and whisker plot has the highest median?

• Top plot

• Bottom plot

What is the median of the data?

• 200

• 100

• 90

• 140

Which restaurant has a higher median wait time?

• Lucy's Steakhouse

• Gary's Grill

• They are the same

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.

Find the Median

• 98

• 93

• 78

• 85

• a

• b

• c

• d

The two measures of center we've study this unit are...

• Interquartile Range

• Mean Absolute Deviation

• Mean

• Median

• Standard Deviation

Interquartile Range or IQR is a measure of variability and helps determine the spread of the data.

• True

• False