Mean, Standard Deviation, Measure absolute Deviation

What is the mean of the data set shown?

• 81

• 2,430

• 5.13

• 8

Tags

CCSS.6.SP.B.5C

What is the interquartile range of the data set shown?

• 6

• 2

• 3

• 5

Tags

CCSS.6.SP.B.5C

The heights in inches of seven basketball players are listed below.

72, 74, 80, 86, 78, 85, 83

What is the interquartile range of the heights?

• 10

• 81

• 11

• 12

Tags

CCSS.6.SP.B.5C

Which of the following would be the best measure of variability?

• Mean Absolute Deviation

• Median

• Mode

• Interquartile Range

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

Which measure would best describe how the numbers in a set vary?

• mode

• outlier

• mean and median

• mean absolute deviation

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

Eleven students are in a chess club. Mr. Kossow determined that the median age of the students in this chess club was 12 years old. Which of the following statements must be true? Select all that apply.

• When all the ages of the students in the chess club were listed in order, the middle value was 12.

• At least half of the students in the chess club were 12 or older.

• At least half of the students in the chess club were 12 or younger.

• The average age of the students in the chess club was 12.

• The oldest student in the chess club was 12.

Tags

CCSS.6.SP.B.5C

Which is a true statement about a measure of center and a measure of variation?

• A measure of center is the same as a measure of variation.

• A measure of center describes how the numbers vary within a data set, while a measure of variation summarizes the data.

• A measure of center summarizes the data, while a measure of variation describes how the numbers vary within a data set

• A measure of center determines the center of the data, while a measure of variation measures how the data varies with another data set.

Tags

CCSS.6.SP.A.3

The graph shows the maximum speed of “Drop Tower” rides at amusement parks.

Which best represents the mean absolute deviation of the data in the graph?

• 11

• 48

• 73

• 110

Tags

CCSS.6.SP.B.5C

The Cohens found eight pairs of mittens with the following prices: $18, $16, $38, $10, $11, $16, $17, $11 Which statement about the prices is true?

• The range of the prices is $8 since

  18-10=8

• The interquartile range of the prices is between $6 and $7.

• If the price that is the farthest from the mean is removed, the median will change.

• If the price that is the farthest from the mean is removed, the mean will become larger.