IQR

Front

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

Back

Order the numbers from least to greatest.

Front

What is the formula for calculating the Interquartile Range (IQR)?

Back

IQR = Q3 - Q1

Front

What is the RANGE of the following data set: 4, 5, 6, 8, 9, 10, 11?

Back

7

Front

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

Back

4 equal parts.

Front

What is Q2 also known as?

Back

Median.

Front

What does Q1 represent in a data set?

Back

The first quartile, which is the median of the lower half of the data.

Front

What does Q3 represent in a data set?

Back

The third quartile, which is the median of the upper half of the data.

Front

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

Back

Take the average of the two middle numbers.

Front

What is the purpose of calculating the IQR?

Back

To measure the spread of the middle 50% of the data.

Front

If a data set has values of 2, 4, 6, 8, 10, what is the median?

Back

6