Measures of Variability(Test Review2B)

The list below shows the number of points Martha scored in each of the nine basketball games she played: 11, 6, 15, 3, 9, 8, 10, 8, 6.

• 3

• 9

• 12

• 15

Mrs. Lee's recorded the temperature each day for one week. What was the range in temperature between the highest and the lowest temperatures?

• 12

• 20

• 63

• 68

• mean = 10.5, median=11.5

• mean = 10.5, median=9

• mean = 12, median=11.5

• mean = 12, median=9

• The mean of the data is 25.

• The mode of the data is 22.

• The range of the data is 4.

• The median of the data is 21.

Mrs. Gray has 9 grandchildren. Their ages are 1, 15, 9, 12,18, 9, 5, 14, and 7. Which statement does the data support?

• The grandchildren are all different ages.

• Most of the grandchildren are above the age of 12 years.

• The range of the ages is 13 years.

• The mean of the ages is 10 years.

In a sample of 15 adults, 8 have resting heart rate of 59 beats per minute, 4 have a rate of 72 beats per minute, and 3 have a rate of 93 beats per minute. Which statement most accurately describes these data?

• The mean is 69 beats per minute.

• The mean is 75 beats per minute.

• The median is 72 beats per minute.

• The mode is 93 beats per minute.

Which of the following is the mean absolute deviation for the set of data?
2.50 3.75 1.25 2.25 3.00

• 3.3
• 0.66
• 2.50
• 2.55

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Find the MAD:
58, 38, 54, 48, 26, 36

• 43
• 20
• 10
• 12

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

The number of miles that Jenna cycled each week for a 7-week period is shown: 
36, 42, 28, 52, 48, 36, 31 
What is the median number of miles Jenna cycled?

• 24
• 36
• 39
• 52

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

Four data sets are shown below.
Set 1: {10, 19, 38, 50, 51}
Set 2: {5, 21, 26, 39, 51}
Set 3: {9, 38, 50, 50, 51}
Set 4: {5, 28, 28, 28, 51}
Which data set has the largest standard deviation?

• Set 1
• Set 2
• Set 3
• Set 4

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5