11-3 - 11-4 Stem and Leaf Plots & Central Tendency

The stem and leaf plot shows the ages of the people at a birthday party. What is the oldest age shown?

What is the youngest age shown?

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

How many people are under the age of 20?

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.B.5

What percent of people are over 50 years old?

(Round your answer to the nearest percent.)

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.B.5

What is the mean age of the people at the party?

(Round your answer to the nearest whole number.)

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the median age of the people at the party?

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the mode age of the people at the party?

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What is the range of the ages of the people at the party?

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Describe the distribution of the data set.

• Symmetric

• Skewed right

• Skewed left

Tags

CCSS.6.SP.A.2

CCSS.6.SP.B.5

When the data distribution is symmetric, what is the best measure of center?

• Mean

• Median

• Mode

• Range

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2