Data Handling

In a school, only two about 5 students can participate in a quiz. What is the chance that the student picked at random makes it to the competition ?

• 20 percentage

• 40 percentage

• 50 percentage

• 60 percentage

The mean of three numbers is 40. All the three numbers are different natural numbers. If the lowest number is 19, where the second number is greater than the lowest number then what could be the highest possible value of the third number ?

• 81

• 40

• 100

• 71

Which central tendency best represents the data of most popular politician after debate ?

• Mean

• Median

• Mode

• Any of these

Which of the following set of numbers has same mean, median and mode ?

• 6, 2, 5, 4, 3, 4, 1

• 4, 2, 2, 1, 3, 2, 3

• 2, 3, 7, 3, 8, 3, 2

• 4, 3, 4, 4, 3, 6, 4

If the arithmetic mean of 8, 4, x, 6, 2, 7 is 5 then the value of x is

Mean , Median and Mode can be same for some data.

• True

• False

Find the mean of first six multiples of 4.

• 15

• 16

• 14

In which month sales of Brand A decreased as compared to previous month ?

• March

• April

• May

• June

If 40 is the pass mark then how many students have failed ?

• 4

• 5

• 6

• 7

Let x, y, z be the three observations. The mean of three numbers is

• xyz / 3

• x + y + z / 3

• x-y-z / 3

• xy + z / 3