Statistical Measures

The mean is

• The middle score
•  Total & divided by number of scores
• The most frequent score
• The middle when in order

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The median is

• The middle score
•  Scores added & divided by the number of scores
• The most frequent score
• The middle when in order

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What is the mode?

• # happening the most
• the average
• biggest - smallest
• the middle #

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Find the mean of these numbers:
5,11,2,12,4,2

• 4.1
• 6
• 4.5
• 4

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What is the range?

• average
• biggest-smallest
• the middle #
• # happening the most

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An outlier is...

• a data point that is distinctly separate from the rest of the data
• the highest value in a data set
• is the lowest value in a data set
• is the data point that is lest frequent

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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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If there is an even number of data in the data set how do you find the median?

• order the data and find the middle value
• order the data add the 2 middle values and divide by 2
• You can have more than one median

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Identify the outlier for the given data?
23, 34, 27, 7, 30, 26, 28, 31, 34

• 7
• 23
• 31
• 34

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