Quartiles and Interquartile Range

The median is always equal to one of the values in the data set.

• True

• False

Tags

CCSS.7.SP.B.4

The median is the midpoint between the smallest and largest values in the data set.

• True

• False

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3

In a data set with 25 different values, if you change the two smallest values in the data set to smaller values, the median will not be changed.

• True

• False

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3

What do quartiles split data up into?

• halves

• thirds

• fourths

• fifths

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.2

What is an interquartile range?

• The difference between the upper and lower quartiles.

• The measure of the middle half of the data.

• A measure of variability.

• All of the above

• None of the above

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3

CCSS.6.SP.A.2

What is the first step to take when attempting to find IQR?

• Find the lower and upper quartile.

• Find the median.

• Put the list of numbers in order.

• Subtract the lower and upper quartile.

Tags

CCSS.7.EE.B.3

The table shows the average monthly temperature for St. Louis. The median for this data is ________.

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3

The table shows the average monthly temperature for St. Louis. The lower quartile (Q1) for this data is ______.

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3

CCSS.6.SP.A.2

The table shows the average monthly temperature for St. Louis. The upp er quartile (Q3) for this data is ______.

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3

CCSS.6.SP.A.2

The table shows the average monthly temperature for St. Louis. You have already found the lower and upper quartiles. The Interquartile Range (IQR) is ________.

Tags

CCSS.6.SP.B.5

CCSS.6.SP.A.3

CCSS.6.SP.A.2