Statistics Quiz

Johari, Muaz and Ahmad sell can drinks during a football match.

For each can of drinks sold, Johari earns $0.80, Muaz earns $0.90 and Ahmad earns $0.75.

Which of the following statements is true?

• Johari earns the most.

• Muaz earns more than Johari.

• Ahmad earns $62.50 more than Johari.

• The three of them earn a total of $640.

The table shows the grades obtained for a test by a group of students.

Calculate the percentage of students who obtained grade B or better.

• 14%

• 32%

• 46%

• 66%

The bar chart shows the number of tourists to a museum.

The difference between the highest number of tourists and the lowest is 600.

The total number of tourists who visited the museum during the first three months of the year is

• 2400

• 3200

• 4350

• 4800

The bar chart shows the number of workers in a factory.

Which of the following statements is false?

• The highest increase of female workers happened in 2006.

• There was a drop in number of male workers in 2006.

• The increase of female workers in 2006 was more than the increase of male workers in 2005.

• In both 2004 and 2006, there were more female workers than male workers.

The line graph shows the number of satay sticks sold by Pak Razak and Pak Man over a week.

Both of them sell the satay sticks at $0.60 per stick.

Calculate the difference between their total sales in a week.

• $60

• $100

• $120

• $180

The frequency table shows the marks for a test scored by a group of students.

A student must score a minimum of 40 marks to pass the test.

What is the percentage of students who fail the test?

• 7.5%

• 12.5%

• 47.5%

• 87.5%

The pictogram shows the number of houses sold by a developer.

The total number of houses sold over the period of four months is 216.

How many of the symbol "House" should be drawn to represent the sale during February?

• 5

• 6

• 7

• 17

The line graph shows Johan's monthly expenditure.

Johan earns RM1500 every month.

On which month that he spends 60% of his income?

• January

• February

• March

• April

The bar charts shows the number of pens of four brands sold.

Which of the brands that 25% of its pens sold are red pens?

• P

• Q

• R

• S

The table shows the points scored by different teams in a telematch.

Calculate the mean.

• 34.5

• 36.9

• 37

• 38