BKSB Handling Data and Statistics 2

Question 1

A survey recorded the number of hours 8 students spent studying: 3, 5, 7, 2, 8, 5, 6, 4. What is the median number of hours?

Accepted Answer

5.5

Answer

5

Answer

4.5

Answer

6

Question 2

A bar chart shows that 40 people prefer tea, 25 prefer coffee, and 15 prefer juice. What percentage prefer coffee?

Accepted Answer

31.25%

Answer

25%

Answer

30%

Answer

35%

Question 3

A frequency table shows scores: 10 appears 3 times, 20 appears 5 times, 30 appears 2 times. What is the mean score?

Accepted Answer

19

Answer

18

Answer

20

Answer

22

Question 4

Which type of graph is most appropriate for showing how a company's sales changed month by month over one year?

Accepted Answer

Line graph

Answer

Pie chart

Answer

Bar chart

Answer

Pictogram

Question 5

A data set has values: 4, 4, 7, 9, 11. What is the range?

Accepted Answer

7

Answer

5

Answer

6

Answer

11

Question 6

In a class of 30 students, a tally chart shows 12 students scored grade A. What fraction of students did NOT score grade A?

Accepted Answer

3/5

Answer

2/5

Answer

12/30

Answer

2/3

Question 7

A pie chart represents 60 people. One sector represents 90°. How many people does that sector represent?

Accepted Answer

15

Answer

10

Answer

12

Answer

20