box and whisker practice

Front

What is the median?

Back

The median is the middle value in a data set when the numbers are arranged in order.

Front

What is the upper quartile (Q3)?

Back

The upper quartile (Q3) is the median of the upper half of a data set, representing the value below which 75% of the data falls.

Front

What percent of students have heights between 60 inches and 66 inches?

Back

75% of students have heights between 60 inches and 66 inches.

Front

What percent of the data is between 25 and 30 on the number line?

Back

25% of the data is between 25 and 30 on the number line.

Front

What is the minimum value in a data set?

Back

The minimum value is the smallest number in a data set.

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 median, quartiles, and extremes.

Front

How do you find the lower quartile (Q1)?

Back

The lower quartile (Q1) is the median of the lower half of a data set.

Front

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

Back

The whisker represents the range of the data, extending from the minimum value to the maximum value.

Front

What is the interquartile range (IQR)?

Back

The interquartile range (IQR) is the difference between the upper quartile (Q3) and the lower quartile (Q1), indicating the spread of the middle 50% of the data.

Front

How do you calculate the median of a data set with an even number of values?

Back

To calculate the median of a data set with an even number of values, find the average of the two middle numbers.