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

The ages of 9 students are listed below
5, 7, 9, 10, 13, 14, 14, 17, 19
Which of the following is true:

• mode < mean < median
• mean < median < mode
• mode < median < mean
• median < mode < mean

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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
• The median will decrease
• The mean will increase
• The median will increase

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

Gabriella’s quiz grades are shown below.
88, 92, 92, 96, 98
Gabriella scored a 20 on her sixth quiz. What effect does this score have?

• The low score causes the median to increase.
• The low score causes the median to decrease.
• The low score causes the mean to increase.
• The low score causes the mean to decrease.

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

The table below shows the lengths of fences a company installed during a week. 
Which statement is true?

• The 275-foot fence caused the mean to be significantly lower than the median.
• The 275-foot fence caused the median to be significantly lower than the mean.
• The 2,250-foot fence caused the mean to be significantly greater than the median.
• The 2,250-foot fence caused the median to be significantly greater than the mean.

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

A value that is much higher or much lower than the other values in a set of data.

• Outlier
• Box Plot
• Range
• Histogram

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

Calculate the MEAN for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7

• 7

• 7.44

• 8

• 7 and 8

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

A random sample of the students in two different universities were surveyed for their sleep habits. The results are shown in the table above. Which of the following statements is supported by the information in the table?

• The hours of sleep per night varies more among students at University A than students at University B.

• More students attend University B than University A.

• More than half of the students at University B get 7 hours of sleep per night.

• Half of the students at University A get 6 hours of sleep per night.

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

Use the 1.5 IQR rule to determine if there are any outliers for the following numbers:
84, 88, 72, 74, 98, 16, 94 

• Yes, 16 is an outlier.
• Yes, 33 is an outlier.
• Yes, 98 is an outlier.
• There are no numbers less than 39 or greater than 124, therefore there are no outliers.

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

Shape?

• Skewed right

• Skewed left

• Symmetric

• Normal

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

When the median is more than the mean this results in a positive skew

• false

• true

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