13.6 Measures of Central Tendency and Dispersion

The number of pages that Mikayla wrote in her journal each day from Monday to Friday is shown below:

9, 8, 12, 6, 10

What is the mean number of pages she wrote per day?

• 5

• 6

• 9

• 11

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.3

CCSS.6.SP.B.5

At Camden's Donuts the number of donut holes in a bag can vary. Help Camden find the mode of the number of donut holes per bag described in the sample below:

12, 10, 10, 10, 13, 12, 11, 13, 10, 12, 13

• 13

• 12

• 11

• 10

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

On a container ship there were 30 small containers that each weighed 3 tons, 20 medium containers that each weighed 5 tons, and 10 large containers that each weighed 8 tons.

Find the mean weight of the containers on this ship.

• 4.5 tons

• 4 tons

• 5 tons

• 5.5 tons

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Zerek bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is Zerek's median score?

• 127

• 155

• 156

• 193

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

The heights of some students are given.

158cm 172cm 164cm

164cm 167cm 159cm

What is the range of the heights?

• 13cm

• 14cm

• 164cm

• 330cm

Tags

CCSS.6.NS.C.7

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

In the last 5 games, Kevin Durant scored 22, 22, 18, 12, and 21 points. What is Durant's mean score per game?

• 19 points per game

• 95 points per game

• 18.6 points per game

• 22 points per game

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

What do you do if there are two numbers in "the middle" when you are finding the median?

• Pick your favorite number
• Add the two numbers in the middle & then divide by two.
• They are both the median
• None of the above

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Find the median, mode and range: 
3, 5, 7, 9, 11, 8, 3

• median:7  mode:3  range:10
• median:6  mode:3  range:7
• median:7  mode:3 range:8

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

The number of miles that Jenna cycled each week for a 8-week period is shown:

38, 42, 28, 52, 48, 36, 31, 25

What is the median number of miles Jenna cycled?

• 36

• 39

• 37

• 52

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Dr. Dre is a dentist. He needs to report on the average number of cavities that his patients have.

1, 0, 1, 5, 0, 3, 4. What is the average number of cavities?

• 14

• 2

• 7

• 0

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5