12-4 box and whisker plots

Front

What is a box and whisker plot?

Back

A box and whisker plot is a graphical representation of a dataset that shows its minimum, first quartile, median, third quartile, and maximum values.

Front

What does the first quartile (Q1) represent in a dataset?

Back

The first quartile (Q1) represents the value below which 25% of the data falls.

Front

How do you calculate the range of a dataset?

Back

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

Front

What is the median of a dataset?

Back

The median is the middle value when the data is arranged in ascending order.

Front

What does the third quartile (Q3) represent in a dataset?

Back

The third quartile (Q3) represents the value below which 75% of the data falls.

Front

What is the interquartile range (IQR)?

Back

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

Front

What percentage of data falls between the first quartile and the third quartile?

Back

50% of the data falls between the first quartile (Q1) and the third quartile (Q3).

Front

How do you identify outliers in a box and whisker plot?

Back

Outliers are typically identified as values that fall below Q1 - 1.5*IQR or above Q3 + 1.5*IQR.

Front

What does the whisker represent in a box and whisker plot?

Back

The whiskers represent the range of the data outside the interquartile range, extending to the minimum and maximum values.

Front

What is the purpose of a box and whisker plot?

Back

The purpose of a box and whisker plot is to provide a visual summary of the distribution, central tendency, and variability of a dataset.