Measure of Center (With Box & Whisker Plots)

Subtract the biggest number and the smallest number

• Mean

• Median

• Mode

• Range

The average of a data set.

• Mean

• Median

• Mode

• Range

To find the average of a set of numbers, add up all the items and divide by...

• 2
• The minimum
• The maximum
• The number of items

What is the median of this set of data?
10, 90, 80, 60, 50, 40, 70, 30, 20, 100

• 50
• 60
• 55
• 45

The middle number of a data set

• Mean

• Median

• Mode

• Range

The temperature in Michigan City on this date in the last ten years were: 68, 68, 69, 70, 72, 70, 68, 75, 55, 67. What is the mean temperature on this date over the last ten years? (Round to nearest whole number.)

• 60

• 61

• 68

• 69

Find the medians.
Science: _________ Math: __________ 

•  science: 4.5 h; math: 3 h
•  science: 3 h; math: 4.5 h
•  science: 5 h; math: 5 h
•  science: 3.5 h; math: 4 h

What is the minimum value?

• 64
• 58
• 66
• 60

What is the maximum value?

• 58
• 66
• 64
• 60

What data value is the upper quartile (Q3)?

• 64
• 62
• 66
• 58