Homework Practice

Printable assignment

Tales by Dots and Lines: Practice 3

Section A: Core Practice

Question 1mcq

A dot plot has values

2,3,3,4,4,4,5,10

. Which conclusion is most reasonable?

A.The data has no spread.

B.The smallest value is

10

C.All values are equal.

D.Most values are clustered near the middle, with one high value.

Question 2mcq

Which situation is best represented by a line graph?

A.Favourite colours of students

B.A line graph is useful for showing change over time.

C.Shapes found in a classroom

D.Types of books in a library

Question 3mcq

A line graph rises from

10

30

45

, then changes to

46

and

47

. What trend does it show?

A.The value increases quickly at first and then becomes almost steady.

B.A constant decrease

C.No change at all

D.Random values with no pattern

Question 4mcq

A student reads a bar/line graph without checking the axis scale. What mistake may happen?

A.The data automatically becomes invalid.

B.The title becomes unnecessary.

C.The graph cannot show numbers.

D.Use the graph scale before reading values.

Question 5mcq

Find the mean of the data set

[10, 12, 12, 16, 20]

14

70

20

10

Question 6mcq

Find the mean of the data set

[1, 3, 7, 7, 7]

5

25

7

1

Section B: Reasoning and Application

Question 7mcq

The data values are

4,4,6,6,10

with mean

6

. Which action shows the idea of mean as balance?

A.Change every value to

10

B.Delete all values below the mean.

C.Move

2

from

10

to one of the

4

s to balance around

6

D.Use the largest value only.

Question 8mcq

A dot plot has values

2,3,3,4,4,4,5,10

. Which conclusion is most reasonable?

A.Most values are clustered near the middle, with one high value.

B.The smallest value is

10

C.All values are equal.

D.The data has no spread.

Question 9mcq

A dot plot has values

2,3,3,4,4,4,5,10

. Which conclusion is most reasonable?

A.The smallest value is

10

B.The data has no spread.

C.All values are equal.

D.Most values are clustered near the middle, with one high value.

Question 10mcq

Which situation is best represented by a line graph?

A.Favourite colours of students

B.Types of books in a library

C.Shapes found in a classroom

D.A line graph is useful for showing change over time.

Question 11mcq

A line graph rises from

10

30

45

, then changes to

46

and

47

. What trend does it show?

A.The value increases quickly at first and then becomes almost steady.

B.A constant decrease

C.No change at all

D.Random values with no pattern

Question 12mcq

A student reads a bar/line graph without checking the axis scale. What mistake may happen?

A.Use the graph scale before reading values.

B.The graph cannot show numbers.

C.The data automatically becomes invalid.

D.The title becomes unnecessary.