Mode, Median, Mean and Range 4.1A-4.1D

Question 1

MODE

5,6,6,7,8,10

Answer 1

6

Question 2

MODE

−2, −1, 5, 8, −2, 2, −1, 9, −1, 1, 2, −1

Answer 2

-1

Question 3

CHECK CORBET MATHS FOR BAR CHART (QUESTION 2)

The bar chart shows the shoe sizes of a group of students.
(a) How many students in total are there?
(b) What is the modal shoe size?

Answer 3

(a) 44
(b) Size 5

Question 4

MODE

8, 1, 1, 7, 2, 1, 5, 9, 4, 1, 5, 5, 9, 6, 4, 3, 2, 3, 1, 1, 9, 8, 7, 3, 2, 4, 5, 1, 1, 9, 1

Answer 4

1

Question 5

MODE

Question 4: The tally chart shows the favourite sport of the students in a class.
(a) What is the modal sport?
(b) How many students are in the class?
(c) How many more students liked football than rugby?

Answer 5

(a) Hockey
(b) 30
(c) 7 more

Question 6

MEDIAN

49, 34, 12, 10, 53, 20, 65, 34, 90, 100, 33

Answer 6

34

Question 7

MEDIAN

The height of some footballers are listed below:
1.81m, 1.78m, 1.88m, 1.79m, 1.86m, 1.85m, 1.78m, 1.93m
(a) Work out the median height

Answer 7

(a) 1.83m

Question 8

MEAN

3,2,1,3,2,2,1,3,1,2,3,2,1

Answer 8

2

Question 9

MEAN

The mean of four numbers is 10. Three of the numbers are 9, 11 and 7. Work out the fourth number.

Question 10

RANGE

21,15,19,24,30,26

Answer 10

15