CSEC Statistics Quiz

The pie-chart below shows the

preferences in energy drinks of a

group of students.

If 28 students prefer Raptor, then the

total number of students is

• 1680

• 360

• 84

• 42

The bar chart below shows the heights of students who took part in a survey. How many students took part in the survey?

• 75

• 100

• 755

• 11, 310

A vase contains 7 orange, 9 pink and 8 black balls of similar shape and size. The probability of picking a black ball from the vase at random is

The scores obtained by hockey players on 8 different teams are:

7, 9, 10, 8, 5, 4, 3, 2

The mean score is

• 5

• 6

• 7

• 8

Each of the letters of the word 'BAMBOO' is written on a piece of cardboard similar in size, colour and shape. The pieces of cardboard are then placed in a bag. What is the probability of drawing the letter 'B' from the bag?

The pie chart shows how a student

used 6 hours in baking black cake,

fruit cake, sponge cake and chocolate

cake. The amount of time spent on

baking black cake is

• 1.5 hours

• 2 hours

• 2.5 hours

• 3 hours

In a class of 36 students, 15 are boys.

What is the probability that a student

chosen at random is a girl?

The bar chart shows the number of

books owned by five students. How

many books do the students own

altogether?

• 15

• 30

• 45

• 60

12 7 12 5 8 9 10

The mode of the numbers above is

• 5

• 8

• 9

• 12