Statistics: Practice 2 | Homework Practice

Section A: Core Practice

Question 1mcq

The equations

x+y=8

and

x-y=2

are solved together. What is the value of

x

?

A.Student P

B.Student Q

C.Both are equal

D.Cannot be determined from a bar graph

Question 2mcq

For the line

y=3x-3

, what are the slope and

y

-intercept?

A.Slope

-3

, y-intercept

3

.

B.Slope

3

, y-intercept

-3

.

C.Slope

3x

, y-intercept

0

.

D.Slope

0

, y-intercept

-3

.

Question 3mcq

For the ordered data

3,5,7,9,11

, what is the median?

A.

7

B.

5

C.

9

D.

35

Question 4mcq

Find the mean of the data set

4,6,8,10,12

.

A.

40

B.

6

C.

10

D.

8

Question 5mcq

A frequency table shows

12

students like football,

9

like cricket and

6

like badminton. How many students are represented?

A.

18

B.

21

C.

27

D.

12

Section B: Application Practice

Question 6mcq

Which graph is most suitable for comparing the number of students choosing different clubs?

A.A line graph

B.A bar graph

C.A compass construction

D.A number line only

Question 7mcq

For the ordered data

3,5,7,9,11

, what is the median?

A.

7

B.

5

C.

9

D.

35

Question 8mcq

Solve the equation

2x+6=12

.

A.

12

B.

2

C.

4

D.

3

Question 9mcq

The equations

x+y=8

and

x-y=2

are solved together. What is the value of

x

?

A.Class A

B.Class B

C.Both are equal

D.Cannot be determined

Question 10mcq

Which graph is most suitable for comparing the number of students choosing different clubs?

A.A line graph

B.A bar graph

C.A compass construction

D.A number line only