NLC_English , Math, Science

The mean of the following scores.

15, 15, 12, 10, 12, 13, 12 , 15

• 10

• 11

• 12

• 13

For the set of scores: 15, 17, 16, 20, 16, 18

Find the range.

• 4

• 5

• 6

• 7

For the set of scores: 15, 17, 16, 20, 16, 18, find the mean.

• 17

• 18

• 19

• 20

For the set of scores: 15, 17, 16, 20, 16, 18, find the mode.

• 15

• 16

• 17

• 18

For the set of scores: 15, 17, 16, 20, 16, 18, find the median.

• 14.5

• 15.5

• 16.5

• 17.5

The standard deviation of the following scores.

12, 10, 8, 5, 15

• 3.41

• 2.41

• 1.41

• 0.41

A survey of Olivia’s class was conducted recently to find the number of pets in each student’s household. The

numbers of pets recorded were:

2, 3, 1, 0, 1, 2, 2, 5, 4, 3, 1, 6, 2, 1, 3, 0, 0, 1, 2, 4, 5, 1, 0, 2, 1, 3, 0, 1

How many students are in Olivia’s class?

• 26

• 27

• 28

• 29

A survey of Olivia’s class was conducted recently to find the number of pets in each student’s household. The numbers of pets recorded were:

2, 3, 1, 0, 1, 2, 2, 5, 4, 3, 1, 6, 2, 1, 3, 0, 0, 1, 2, 4, 5, 1, 0, 2, 1, 3, 0, 1.

What is the mode number of pets per household?

• 1

• 2

• 3

• 4

A survey of Olivia’s class was conducted recently to find the number of pets in each student’s household. The

numbers of pets recorded were:

2, 3, 1, 0, 1, 2, 2, 5, 4, 3, 1, 6, 2, 1, 3, 0, 0, 1, 2, 4, 5, 1, 0, 2, 1, 3, 0, 1

Find the average number of pets.

• 1

• 2

• 3

• 4

A survey of Olivia’s class was conducted recently to find the number of pets in each student’s household. The

numbers of pets recorded were:

2, 3, 1, 0, 1, 2, 2, 5, 4, 3, 1, 6, 2, 1, 3, 0, 0, 1, 2, 4, 5, 1, 0, 2, 1, 3, 0, 1

Find the range of the number of pets per household.

• 5

• 6

• 7

• 8