Tales by Dots and Lines: Final Assessment

Section A: Concepts

Question 1mcq

Find the mean of the data set

[3, 4, 4, 6, 8]

.

A.

25

B.

5

C.

8

D.

3

Question 2mcq

Find the mean of the data set

[2, 5, 5, 5, 8]

.

A.

25

B.

5

C.

8

D.

2

Question 3mcq

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.Use the largest value only.

C.Delete all values below the mean.

D.Move

2

from

10

to one of the

4

s to balance around

6

.

Question 4mcq

A dot plot has values

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

. Which conclusion is most reasonable?

A.All values are equal.

B.The data has no spread.

C.The smallest value is

10

.

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

Question 5mcq

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 6mcq

Which situation is best represented by a line graph?

A.Types of books in a library

B.Favourite colours of students

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

D.Shapes found in a classroom

Question 7mcq

A line graph rises from

10

to

30

to

45

, then changes to

46

and

47

. What trend does it show?

A.A constant decrease

B.Random values with no pattern

C.No change at all

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

Question 8mcq

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

A.The graph cannot show numbers.

B.The title becomes unnecessary.

C.The data automatically becomes invalid.

D.Use the graph scale before reading values.

Section B: Skills

Question 9mcq

Find the mean of the data set

[2, 5, 5, 5, 8]

.

A.

25

B.

8

C.

5

D.

2

Question 10mcq

Find the mean of the data set

[10, 12, 12, 16, 20]

.

A.

20

B.

14

C.

70

D.

10

Question 11mcq

The data values are

4,4,6,6,10

with mean

6

. Which action shows the idea of mean as balance?

A.Delete all values below the mean.

B.Change every value to

10

.

C.Move

2

from

10

to one of the

4

s to balance around

6

.

D.Use the largest value only.

Question 12mcq

A dot plot has values

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

. Which conclusion is most reasonable?

A.All values are equal.

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

C.The smallest value is

10

.

D.The data has no spread.

Question 13mcq

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 14mcq

Which situation is best represented by a line graph?

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

B.Favourite colours of students

C.Shapes found in a classroom

D.Types of books in a library

Question 15mcq

A line graph rises from

10

to

30

to

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.Random values with no pattern

C.No change at all

D.A constant decrease

Question 16mcq

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 data automatically becomes invalid.

C.The title becomes unnecessary.

D.The graph cannot show numbers.

Section C: Applications

Question 17mcq

Find the mean of the data set

[10, 12, 12, 16, 20]

.

A.

10

B.

70

C.

20

D.

14

Question 18mcq

Find the mean of the data set

[1, 3, 7, 7, 7]

.

A.

5

B.

25

C.

1

D.

7

Question 19mcq

The data values are

4,4,6,6,10

with mean

6

. Which action shows the idea of mean as balance?

A.Delete all values below the mean.

B.Change every value to

10

.

C.Use the largest value only.

D.Move

2

from

10

to one of the

4

s to balance around

6

.

Question 20mcq

A dot plot has values

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

. Which conclusion is most reasonable?

A.All values are equal.

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

C.The smallest value is

10

.

D.The data has no spread.

Question 21mcq

A dot plot has values

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

. Which conclusion is most reasonable?

A.All values are equal.

B.The smallest value is

10

.

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

D.The data has no spread.

Question 22mcq

Which situation is best represented by a line graph?

A.Favourite colours of students

B.Shapes found in a classroom

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

D.Types of books in a library

Question 23mcq

A line graph rises from

10

to

30

to

45

, then changes to

46

and

47

. What trend does it show?

A.Random values with no pattern

B.No change at all

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

D.A constant decrease

Question 24mcq

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

A.The title becomes unnecessary.

B.Use the graph scale before reading values.

C.The data automatically becomes invalid.

D.The graph cannot show numbers.

Section D: Reasoning

Question 25mcq

Find the mean of the data set

[1, 3, 7, 7, 7]

.

A.

25

B.

7

C.

1

D.

5

Question 26mcq

Find the mean of the data set

[3, 4, 4, 6, 8]

.

A.

8

B.

5

C.

3

D.

25

Question 27mcq

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 28mcq

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.All values are equal.

C.The smallest value is

10

.

D.The data has no spread.

Question 29mcq

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 30mcq

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 31mcq

A line graph rises from

10

to

30

to

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.Random values with no pattern

C.A constant decrease

D.No change at all

Question 32mcq

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

A.The title becomes unnecessary.

B.The graph cannot show numbers.

C.The data automatically becomes invalid.

D.Use the graph scale before reading values.