CCSS.Math.Content.HSS.ID.A.3

Which of the following is true about geometric distributions?

• Geometric distributions are approximately skewed right.
• Geometric distributions are approximately symmetric.
• Geometric distributions are approximately skewed left.
• The shape could be symmetric or skewed.

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CCSS.Math.Content.HSS.ID.A.3

Find the median of the data:
53, 62, 30, 30, 64

• 53
• 52
• 30
• 48

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CCSS.Math.Content.HSS.ID.A.3

Using the information below, identify which of the following is an outlier:
Q1 = 3
Q2 = 7
Q3 = 12

• 22
• 25.5
• -8.5
• 26

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CCSS.Math.Content.HSS.ID.A.3

How do you find the median of a data set that has two middle numbers?

• You pick the higher middle number

• You pick the lower middle number

• Add the two middle numbers and divide it by 2

• Subtract the two middle numbers and divide by 2

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CCSS.Math.Content.HSS.ID.A.3

What does the standard deviation tell us about the data set?

• How spread out the numbers are

• How much each number in the data set increases by

• How much each number in the data set decreases by

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CCSS.Math.Content.HSS.ID.A.3

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.Math.Content.HSS.ID.A.3

The data set below has an outlier of 42.

2, 5, 12, 15, 19, 4, 6, 11, 16, 18, 12, 12, 42

What effect does removing the outlier have on the distribution of the data?

• The mean will decrease if the outlier was removed.

• The median will decrease if the outlier was removed.

• The mean will increase if the outlier was removed.

• The IQR will increase if the outlier was removed.

• The median will increase if the outlier was removed.

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CCSS.Math.Content.HSS.ID.A.3

Describe the histogram:

• Left Skewed

• Normal/Symmetrical

• Right Skewed

• Uniform/Flat

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CCSS.Math.Content.HSS.ID.A.3

Range is

• the difference between the third quartile and the first quartile

• the difference between the greatest and least data values.

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CCSS.Math.Content.HSS.ID.A.3

Find the IQR using the following data.

50, 60, 82, 86, 94, 110

• 60

• 84

• 34

• 50

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CCSS.Math.Content.HSS.ID.A.3