Measures of Center

Front

What is the mean in statistics?

Back

The mean is the average of a set of numbers, calculated by adding all the values together and dividing by the number of values.

Tags

CCSS.6.SP.B.5C

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What does median represent in a data set?

Back

The median is the middle value when the data set is ordered from least to greatest. If there is an even number of values, the median is the average of the two middle numbers.

Tags

CCSS.6.SP.B.5C

Front

Define mode in statistics.

Back

The mode is the value that appears most frequently in a data set.

Tags

CCSS.6.SP.B.5C

Front

What is variability in statistics?

Back

Variability refers to how spread out or dispersed the values in a data set are.

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CCSS.6.SP.A.3

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What is interquartile range (IQR)?

Back

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

Tags

CCSS.6.SP.B.5C

Front

How do you calculate the range of a data set?

Back

The range is calculated by subtracting the smallest value from the largest value in the data set.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

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What is a box and whisker plot?

Back

A box and whisker plot is a graphical representation of a data set that shows the median, quartiles, and extremes (minimum and maximum values).

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CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

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What does a dot plot represent?

Back

A dot plot is a simple way to display data using dots to represent individual data points, allowing for easy visualization of frequency and distribution.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

What is the significance of the mean being greater than a certain value?

Back

If the mean is greater than a certain value, it indicates that the average of the data set is above that value, suggesting a tendency towards higher values.

Tags

CCSS.6.SP.A.2

Front

How can you determine which data set has more variability?

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You can compare the range, IQR, or standard deviation of the data sets to determine which one has more variability.

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CCSS.7.SP.B.4