Weekly Review #7 Algebra 1

How many 7th graders had an IQ score in the 81-90 range?

• 13

• 6.5

• 3

• 42

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CCSS.6.SP.A.1

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CCSS.6.SP.B.5

Which class has the higher median?

• 1st period

• 2nd period

• They have the same median

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Calculate the mean and median for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7

• mean: 7 median: 7

• mean: 7.44 median: 8

• mean: 7 median: 7.44

• mean: 7.44 median: 7

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CCSS.6.SP.A.2

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33, 25, 42, 25, 31, 37, 46, 29, 38
What is the interquartile range of the data?

• 8
• 9
• 13
• 21

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Identify the outlier for the given data?
23, 34, 27, 7, 30, 26, 28, 31, 34

• 7
• 23
• 31
• 34

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CCSS.6.SP.A.2

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If 44 values were used for the data, about how many data values are greater than the 1st quartile?

• 11
• 22
• 33
• 128

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CCSS.6.SP.A.2

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True of false, 75% of the data values are greater than 18?

• True
• False, 75% of the values are greater than 16
• False, 50 % of the values are greater than 18
• False, 25% of the values are greater than 18

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CCSS.6.SP.A.1

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Jessica has five grades from assessments and quizzes. They are all weighted equally. If her grades are 50, 70, 88, 70, and 88, what is her current average grade?

• 71

• 72

• 73

• 74

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CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the interquartile range?

• 6

• 4

• 2

• 8

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Which restaurant has a higher median wait time?

• Lucy's Steakhouse

• Gary's Grill

• They are the same

• Impossible to tell