Summarizing Data Review

Front

What is a box-and-whisker plot?

Back

A box-and-whisker plot is a graphical representation of a data set that shows the minimum, first quartile, median, third quartile, and maximum values.

Front

How do you find the range of a data set?

Back

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

Front

What does it mean if data is skewed left?

Back

If data is skewed left, it means that the left tail of the distribution is longer or fatter than the right tail, indicating that there are more lower values.

Front

What is the interquartile range (IQR)?

Back

The IQR is the difference between the first quartile (Q1) and the third quartile (Q3) and measures the spread of the middle 50% of the data.

Front

What is a stem-and-leaf plot?

Back

A stem-and-leaf plot is a method of displaying quantitative data in a graphical format, similar to a histogram, that retains the original data values.

Front

What does it mean for data to be symmetrical?

Back

Data is symmetrical if the left and right sides of the distribution are mirror images of each other.

Front

What is a measure of center?

Back

A measure of center is a value that represents the center of a data set, commonly calculated as the mean, median, or mode.

Front

How do you determine the number of students within a specific height range?

Back

To determine the number of students within a specific height range, count the number of data points that fall within that range.

Front

What is a data distribution?

Back

A data distribution describes how values in a data set are spread out or arranged.

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 a data set.