Statistics Review: Unit 1

Which of the following is a quantitative variable?

• Favorite color

• Number of siblings

• Type of pet

• Brand of phone

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TEKS.MATH.9-12.VI.B.3

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TEKS.MATH.9-12.VI.B.3

A histogram is best used to display which type of data?

• Categorical

• Quantitative

• Ordinal

• Nominal

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TEKS.MATH.9-12.VI.C.2

If a data set is skewed to the right, which of the following is most likely true?

• Mean = Median

• Mean is negative

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TEKS.MATH.9-12.VI.C.2

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TEKS.MATH.9-12.VI.B.3

Which summary statistics are most affected by outliers? Select all correct answers.

• Median

• Mode

• Mean

• Range

A boxplot is useful for displaying which of the following?

• The mean and standard deviation

• The five-number summary

• The frequency of each value

• The mode

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TEKS.MATH.9-12.VI.C.2

Which of the following is NOT part of the five-number summary?

• Minimum

• Mean

• Median

• Maximum

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TEKS.MATH.9-12.VI.B.3

Which of the following best describes a symmetric distribution?

• The left tail is longer than the right

• The right tail is longer than the left

• Both tails are about the same length

• There is only one tail

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TEKS.MATH.9-12.VI.C.2

A relative frequency table shows:

• The actual counts for each category

• The proportion or percent of each category

• The mean of the data

• The median of the data

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TEKS.MATH.9-12.VI.C.2