6.SP.A- Statistical Measures of Center & Variability

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What is the median of a data set?

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The median is the middle value of a data set when the numbers are arranged in order. If there is an even number of values, the median is the average of the two middle numbers.

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CCSS.6.SP.B.5C

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How do you calculate the mean of a data set?

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To calculate the mean, add all the numbers in the data set together and then divide by the total number of values.

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CCSS.6.SP.B.5C

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What is the range of a data set?

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The range is the difference between the highest and lowest values in a data set.

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CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

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What is the interquartile range (IQR)?

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The interquartile range is the difference between the first quartile (Q1) and the third quartile (Q3) in a data set, representing the middle 50% of the data.

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CCSS.6.SP.B.5C

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If a data set has a mean of 5, what does that tell you?

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It means that the average of all the numbers in the data set is 5.

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CCSS.6.SP.B.5C

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What does it mean if the median of a data set is 22?

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It means that when the data is arranged in order, the middle value is 22.

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CCSS.6.SP.B.5C

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How do you find the median of an even set of numbers?

Back

Arrange the numbers in order and find the average of the two middle numbers.

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CCSS.6.SP.B.5C

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What is a data set?

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A data set is a collection of numbers or values that represent a particular quantity or measurement.

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CCSS.6.SP.B.5B

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What is the significance of the mean in statistics?

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The mean provides a measure of central tendency, indicating where the center of a data set lies.

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CCSS.6.SP.A.3

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What does it mean if the range of a data set is 7?

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It means that the difference between the highest and lowest values in the data set is 7.

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CCSS.6.SP.B.4

CCSS.HSS.ID.A.1