Quiz

How many students were involved in the survey?

• 7

• 15

• 30

• 60

What is the size of the class interval?

• 7

• 8

• 9

• 10

• 21 - 30

• 31 - 40

• 41 - 50

• 51 - 60

What cumulative frequency (<cf) should be used in solving for the 7th decile?

• 13

• 20

• 25

• 28

• 40% of the students spend less than or equal to 48.5 minutes in going to canteen weekly

• 40% of the students spend more than or equal to 48.5 minutes in going to canteen weekly

• 40% of the students spend 48.5 minutes in going to canteen weekly

• 60% of the students spend 48.5 minutes in going to canteen weekly

What is the frequency used to solve for 8th decile?

• 2

• 3

• 5

• 7

In solving for the 5th decile, the lower boundary is __?

• 20.5

• 30.5

• 40.5

• 50.5

What should be done to solve for the lower boundaries?

• subtract 0.5 to the lower limit

• subtract 0.5 to the upper limit

• add 0.5 to the upper limit

• add 0.5 to the lower limit

What is the value of the 9th decile?

• 71.17

• 71.71

• 76.5

• 70.5

Which class interval has the most number of frequencies?

• 41 - 50

• 51 - 60

• 61 - 70

• 71 - 80