FREE BKSB Handling Data and Statistics Questions and Answers

Question 1

A small cafe sells the following number of sandwiches over a 5-day period: Monday - 25, Tuesday - 30, Wednesday - 28, Thursday - 32, Friday - 40.
What is the mean (average) number of sandwiches sold per day?

Accepted Answer

31

Answer

30

Answer

15

Answer

28

Question 2

A bar chart shows a company's quarterly sales: Quarter 1: £45,000, Quarter 2: £60,000, Quarter 3: £55,000, Quarter 4: £70,000. Which of the following statements is a correct interpretation of the data?

Accepted Answer

Sales in Quarter 2 were higher than in Quarter 3.

Answer

The lowest sales occurred in Quarter 3.

Answer

Sales decreased every quarter.

Answer

Quarter 1 had higher sales than Quarter 2.

Question 3

A delivery driver records the following delivery times in minutes for one afternoon: 15, 22, 18, 25, 12, 18, 20. What are the range and the median of these delivery times?

Accepted Answer

Range: 13, Median: 18

Answer

Range: 18, Median: 13

Answer

Range: 25, Median: 12

Answer

Range: 13, Median: 19

Question 4

An office has 50 employees. It is known that 5 employees have not completed their mandatory health and safety training. If an employee is selected at random, what is the probability that they have NOT completed the training?

Accepted Answer

1 in 10

Answer

1 in 50

Answer

1 in 45

Answer

1 in 5

Question 5

A pie chart shows a department's weekly expenditure: 50% on Salaries, 25% on Materials, 15% on Utilities, and 10% on Miscellaneous. Which of the following statements is true?

Accepted Answer

Twice as much is spent on Salaries as is spent on Materials.

Answer

More is spent on Materials than on Salaries.

Answer

Utilities and Miscellaneous combined account for one-third of the expenditure.

Answer

Salaries account for less than half of the expenditure.

Question 6

A manager is reviewing the number of sick days taken by 9 employees in the last year. The data is as follows: 2, 7, 3, 7, 8, 4, 7, 3, 5. What is the mode of this data set?

Accepted Answer

7

Answer

3

Answer

5

Answer

9

A small cafe sells the following number of sandwiches over a 5-day period: Monday - 25, Tuesday - 30, Wednesday - 28, Thursday - 32, Friday - 40.What is the mean (average) number of sandwiches sold per day?

A small cafe sells the following number of sandwiches over a 5-day period: Monday - 25, Tuesday - 30, Wednesday - 28, Thursday - 32, Friday - 40.
What is the mean (average) number of sandwiches sold per day?