Statistic Quiz

Choose the statistical question:

• What time did you wake up this morning?

• What time do 12th graders wake up each morning during the school week?

The table shows the frequency of the scores in a competition.

If the mode is 9, hence the possible value of m is

• 3

• 8

• 12

• 13

The marks of a class test were shown in the box.

Find the median mark.

• 83

• 84

• 85

• 86

The marks of a class test were shown in the box.

Find the modal mark.

• 80

• 82

• 84

• 85

The marks of a class test were shown in the box.

Find the mean mark.

• 80

• 82

• 83

• 85

• 63

• 74

• 85

• 96

The line graph shows the sales of books of a company on eight consecutive days.

If each book is sold for $10, find the total sales on the third day.

• $200

• $4 000

• $8 000

• $10 000

The frequency table shows the score of a sporting event held in St Andrews.

What is the percentage of the score of 4?

• 40%

• 10%

• 6%

• 20%

The pictogram shows the number of cakes sold on three consecutive days.

Which of the following statement is false?

• 30 pieces of cakes were sold on Monday.

• The sales of cakes on Tuesday is 10 more than the sale on Wednesday.

• The total sales for the three days is 130 pieces.

• The lowest sale is on Monday.

How do you calculate the percentage of people who donated the highest number of books?