Unit 1 Review: One Variable Statistics

If our data set is skewed to the right or left we would measure the center by calculating the...

• Mode

• Mean

• Median

• Range

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A five number summary includes the minimum, maximum, median, ________ and ___________

• Pizza

• seltzer water

• quarter 1 or Q1

• quarter 3 or Q3

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Pick the definition of an outlier.

• A value that lies outside of most other values in a data set.

• A value that is the largest.

• A value that is the smallest.

• A value that occurs the most.

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If outliers are removed, what changes more significantly the mean or median?

• Mean

• Median

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On a recent test, a statistics professor finds that the mean and median scores are nearly equal. Which of the following could be the distribution of test scores?

• 
• 
• 

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Which restaurant has a greater IQR?

• Lucy's Steakhouse

• Gary's Grill

• They are the same

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Which club has the smaller spread, less variation?

• Cruisers

• Car Hops

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• Skewed Left
• Skewed Right
• Uniform
• Symmetric

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What is the interquartile range (IQR) of the data set?

• 20
• 25
• 5
• 10

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If we use the median to measure the typical value or center of the data, we would use the _________ to measure the variability.

• Mode

• MAD

• Standard Deviation

• IQR or Interquartile Range

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