Comparing Measures of Center & Variation

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

Front

What is the median in a data set?

Back

The median is the middle value when a 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

What is the 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 does interquartile range (IQR) measure?

Back

The interquartile range (IQR) measures the spread of the middle 50% of a data set, calculated as the difference between the first quartile (Q1) and the third quartile (Q3).

Tags

CCSS.6.SP.B.5C

Front

How does an outlier affect the mean?

Back

An outlier can skew the mean, making it higher or lower than the central tendency of the rest of the data.

Front

What is variation in statistics?

Back

Variation refers to how much the data points in a set differ from each other and from the mean.

Tags

CCSS.6.SP.A.3

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What is a box plot?

Back

A box plot is a graphical representation of a data set that shows the median, quartiles, and potential outliers.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

What is a double box plot?

Back

A double box plot compares two data sets side by side, allowing for easy comparison of their centers and variations.

Tags

CCSS.HSS.ID.A.3

Front

What does it mean if one data set has a greater consistency than another?

Back

Greater consistency means that the data points are closer to each other, resulting in a smaller variation or interquartile range.

Tags

CCSS.7.SP.B.4

Front

What is a dot plot?

Back

A dot plot is a simple graphical display that uses dots to represent the frequency of data points in a data set.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1