BKSB Data and Statistical Interpretation 2

Question 1

A bar chart shows monthly sales: Jan=120, Feb=95, Mar=140, Apr=110. What is the range of these values?

Accepted Answer

45

Answer

40

Answer

35

Answer

50

Question 2

A pie chart shows that 25% of students prefer science. If there are 200 students total, how many prefer science?

Accepted Answer

50

Answer

25

Answer

40

Answer

75

Question 3

A line graph shows temperatures rising from 10°C to 22°C over 6 days. What is the average daily increase?

Accepted Answer

2°C

Answer

3°C

Answer

1.5°C

Answer

4°C

Question 4

The following data set shows ages: 14, 16, 18, 20, 22, 24, 26. What is the median age?

Accepted Answer

20

Answer

18

Answer

22

Answer

19

Question 5

A frequency table shows 5 students scored 60, 8 scored 70, and 7 scored 80. What is the modal score?

Accepted Answer

70

Answer

60

Answer

80

Answer

75

Question 6

A scatter graph shows a strong positive correlation between study hours and test scores. What does this mean?

Accepted Answer

As study hours increase, test scores tend to increase

Answer

As study hours increase, test scores tend to decrease

Answer

Study hours and test scores are unrelated

Answer

Test scores are always high regardless of study hours

Question 7

A tally chart records favorite colors. Red has 12 tallies, Blue has 18, Green has 9, Yellow has 6. What percentage chose Blue?

Accepted Answer

40%

Answer

36%

Answer

45%

Answer

30%