6th Grade Math GMAS Quick Check - Statistics

6.NR.2.1

Ruby has four bags of marbles. She counted the number of marbles in each bag. Ruby says that the mean number of marbles is 24. Which sentence is the best interpretation of Ruby’s statement?

• If the total number of marbles were distributed equally among the four bags, each bag would have 24 marbles.

• If the numbers of marbles in each bag are placed in ascending order, the middle value of the set would be 24.

• The total number of marbles is 24.

• The number of marbles in each bag is 24.

Tags

CCSS.6.SP.B.5C

6.NR.2.2

Consider this data set.

12, 14, 20, 8, 12, 10, 14, 16, 12

Which box plot displays the data shown?

• 
• 
• 
• 

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

6.NR.2.3

What is the interquartile range of the data set shown below?

{ 1,  1,  1,  4,  5,  6,  7, 15}

• 6.5

• 14

• 5

• 5.5

Tags

CCSS.6.SP.B.5C

6.NR.2.4

The table below shows the points scored by students in a math quiz.

What is the MEDIAN of the points scored in the table?

• 6

• 5

• 9

• 4

Tags

CCSS.6.SP.B.5C

6.NR.2.5

Matilda's dog had puppies, and Matilda decided to weigh each puppy in pounds.  The weights of each puppy are as follows:

1.7, 1.75, 1.9, 2.05, 2.12

Which measure of center would be the best representation of the data Matilda collected?

• range

• median

• mean

• interquartile range

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

6.NR.2.6

Nathan caught 8, 10, 6, 5 and 14 ladybugs over the last 5 days.   If he adds the 8 ladybugs he caught today to his data set, what will happen?

• The median will increase.

• The mean will increase.

• The median will decrease.

• The mean will decrease.