Range, quartiles and Interquartile range

Using the graph, which of the following is the estimation of the first quartile?

• 6

• 35

• 10

• 28

• 20

If the first quartile =10 and the IQR =30, calculate the upper quartile (Q₃)

give your answer as a figure.

Tags

CCSS.6.SP.B.5C

If the first quartile =10 and the IQR =30,as shown in the given cumulative graph, which of the following must be true about the median?

• 10 < median < 30

• 10 < median < 40

• median < 10

• 0 < median < 10

• median > 30

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Using the given cumulative frequency graph, which of the following is the estimation of the median?

• 24

• 8

• 20

• 32

• 16

The following cumulative frequency graph represents the grades of a class in a math test.

Using the graph, determine which of the following is the estimation of the median.

• 8

• 20

• 22

• 26

• 30

Using the given cumulative frequency graph, find the estimation of the IQR.

• 26

• 32

• 22

• 24

• 20

The following data represents the height of some students in a high school. Use the cumulative frequency graph to estimate the median.

Hint; Draw a cumulative frequency graph

• 146 cm

• 160 cm

• 155 cm

• 165 cm

• 163 cm

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

Tags

CCSS.6.SP.B.5C

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

Tags

CCSS.6.SP.B.5C

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

Tags

CCSS.6.SP.B.5C