NBT Quantitative Literacy Data and Graphs

Question 1

A bar graph shows monthly rainfall in Cape Town: Jan 15mm, Feb 17mm, Jun 93mm, Jul 82mm. Which month had the highest rainfall?

Accepted Answer

June

Answer

January

Answer

February

Answer

July

Question 2

A pie chart shows a household budget: Rent 40%, Food 25%, Transport 20%, Other 15%. If the total monthly income is R12 000, how much is spent on rent?

Accepted Answer

R4 800

Answer

R3 000

Answer

R6 000

Answer

R2 400

Question 3

A table lists test scores: 60, 72, 72, 80, 96. What is the mode of these scores?

Accepted Answer

72

Answer

96

Answer

60

Answer

80

Question 4

A line graph shows a learner's marks rising from 45% in Term 1 to 63% in Term 4. What is the total percentage-point increase?

Accepted Answer

18 points

Answer

63 points

Answer

28 points

Answer

8 points

Question 5

A dataset of five values is 4, 6, 6, 8, 11. What is the mean (average)?

Accepted Answer

7

Answer

8

Answer

11

Answer

6

Question 6

A graph's vertical axis is labelled 'Number of learners (thousands)' and a bar reaches 3.5. How many learners does this represent?

Accepted Answer

3 500

Answer

350

Answer

35 000

Answer

35

Question 7

Two data sets have the same mean but Set A's values are tightly clustered while Set B's are widely spread. Which set has the greater range?

Accepted Answer

Set B

Answer

They are equal

Answer

Set A

Answer

Range cannot relate to spread

Question 8

A survey of 200 students shows 30% prefer online classes. How many students prefer online classes?

Accepted Answer

60

Answer

30

Answer

70

Answer

200