7th Honors - Measures of Center and Variation

What is the mode?

• Number that occurs the most

• The Average

• The difference between the highest and lowest values

• The Number in the middle

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What is the mean?

• The number that occurs the most

• The number in the middle

• The difference between the highest and lowest values

• The Average

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What is the median?

• The number in the middle

• The difference between the highest and lowest values

• The number that occurs the most

• The average

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How do you find the Interquartile Range?

• divide the 3rd quartile by the 1st quartile

• subtract the biggest number by the smallest number

• divide the biggest number by the smallest number

• subtract the 3rd quartile by the 1st quartile

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What is the outlier in this data set?

{23, 60, 30, 21, 25, 35, 29}

• 35

• 21

• 30

• 60

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Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Roger's scores?

• 193

• 127

• 60

• 66

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What is the IQR?

• 5.5

• 4

• 4.5

• 6

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Which car club has the higher median?

• Cruisers

• Car Hops

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What data value is the upper quartile (Q3)?

• 64

• 62

• 66

• 58

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Which class has the higher test score median? 

• Class #1
• Class # 2 
• The medians are equal
• The median is not shown here. 

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