Box and Whisker Review

Front

What is a Box and Whisker Plot?

Back

A graphical representation of a dataset that shows the distribution, median, quartiles, and outliers.

Front

What does the median represent in a dataset?

Back

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

Front

How do you find the lower quartile (Q1)?

Back

Q1 is the median of the lower half of the dataset, excluding the overall median if the number of data points is odd.

Front

What is the upper quartile (Q3)?

Back

Q3 is the median of the upper half of the dataset, excluding the overall median if the number of data points is odd.

Front

What is the interquartile range (IQR)?

Back

IQR is the difference between the upper quartile (Q3) and the lower quartile (Q1). It measures the spread of the middle 50% of the data.

Front

How do you identify outliers in a dataset?

Back

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

Front

What does a Box and Whisker Plot show about the data?

Back

It shows the minimum, Q1, median, Q3, and maximum values, providing a summary of the data's distribution.

Front

What is the minimum value in a dataset?

Back

The minimum value is the smallest number in the dataset.

Front

What is the maximum value in a dataset?

Back

The maximum value is the largest number in the dataset.

Front

What percent of data lies below the median?

Back

50% of the data lies below the median.