Percentiles

If I tell you that you scored at the 55th percentile on your final exam, you would know:

• 55% of the class scored the same or worse than you did

• You earned a 55% on the exam

• You failed the exam

• 45% of the class scored worse than you did

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The 75th percentile is also know as the

• median
• third quartile
• 1st quartile`
• interquartile range

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The Median is also referred to as

• the 25th Percentile

• the 50th Percentile

• the 75th Percentile

• the 100th Percentile

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In order to find the median, the data must be sorted from least to greatest first.

• True
• False

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A data set can have more than one mode

• True
• False

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A data set can have more than one median?

• True
• False

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What is the relative frequency of students speaking Arabic?

• 32%
• 24%
• 10%
• 2%

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What percentage of SUV's are driven by women?

• 56.25%
• 75%
• 83.25%
• 86.5%

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What percentage of males drive sports cars?

• 35%
• 16.25%
• 65%
• 25%

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The frequency of a specific data value divided by the total number of data values in the set.

• Relative Frequency

• Conditional Relative Frequency

• Marginal Relative Frequency

• Joint Relative Frequency

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