IQR

Front

What is the first step in finding the median of a data set?

Back

Order the numbers from least to greatest.

Front

How many equal parts do quartiles break a data set into?

Back

4 equal parts, each representing 25% of the data.

Front

What does IQR stand for?

Back

Interquartile Range.

Front

How is the IQR calculated?

Back

IQR = Q3 - Q1, where Q3 is the third quartile and Q1 is the first quartile.

Front

What is the median of a data set?

Back

The median is the middle value when the data set is ordered.

Front

What is the purpose of calculating the IQR?

Back

To measure the spread of the middle 50% of the data and identify outliers.

Front

What is the formula for calculating the range of a data set?

Back

Range = Maximum value - Minimum value.

Front

In the data set 32, 35, 35, 36, 39, 40, 44, 48, 49, what is Q1?

Back

Q1 is 35.

Front

In the data set 32, 35, 35, 36, 39, 40, 44, 48, 49, what is Q3?

Back

Q3 is 46.

Front

What is the IQR of the data set 32, 35, 35, 36, 39, 40, 44, 48, 49?

Back

IQR is 11.