Range and Interquartile range

Front

What is the definition of Range in statistics?

Back

The Range is the difference between the highest and lowest values in a data set.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

How do you calculate the Range?

Back

Range = Maximum value - Minimum value.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Front

What is the definition of Interquartile Range (IQR)?

Back

The IQR is the difference between the first quartile (Q1) and the third quartile (Q3) in a data set.

Tags

CCSS.6.SP.B.5C

Front

How do you calculate the Interquartile Range (IQR)?

Back

IQR = Q3 - Q1.

Tags

CCSS.6.SP.B.5C

Front

What is the first quartile (Q1)?

Back

Q1 is the median of the lower half of a data set, representing the 25th percentile.

Tags

CCSS.6.SP.B.5C

Front

What is the third quartile (Q3)?

Back

Q3 is the median of the upper half of a data set, representing the 75th percentile.

Tags

CCSS.6.SP.B.5C

Front

What does it mean if the IQR is large?

Back

A large IQR indicates a wide spread of the middle 50% of the data.

Tags

CCSS.6.SP.B.5C

Front

What does it mean if the IQR is small?

Back

A small IQR indicates that the middle 50% of the data points are close together.

Tags

CCSS.6.SP.B.5C

Front

How do you find the median of a data set?

Back

To find the median, arrange the data in ascending order and locate the middle value.

Tags

CCSS.6.SP.B.5C

Front

What is the median of the data set: 203, 183, 212, 181, 157, 204, 189, 190?

Back

The median is 189.5.

Tags

CCSS.6.SP.B.5C