10-9 Data Distributions

Front

What is the range of a data set?

Back

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

Front

What does a box and whisker plot show?

Back

A box and whisker plot displays the distribution of a data set, showing the median, quartiles, and any outliers.

Front

What is the median in a data set?

Back

The median is the middle value when the data set is ordered from least to greatest.

Front

How do you find the mode of a data set?

Back

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

Front

What is a data distribution?

Back

A data distribution shows how values in a data set are spread out or clustered.

Front

What is the purpose of a box plot?

Back

A box plot summarizes a data set by displaying its central tendency and variability.

Front

How do you calculate the median of an odd number of values?

Back

To find the median, order the values and select the middle one.

Front

How do you calculate the median of an even number of values?

Back

To find the median, order the values and average the two middle numbers.

Front

What is an outlier in a data set?

Back

An outlier is a value that is significantly higher or lower than the other values in the data set.

Front

What does it mean if a data set is skewed?

Back

A skewed data set has a tail that is longer on one side, indicating that the data is not symmetrically distributed.