Everything Maths Grade 10

Time (s) Count

35 < t 45 5

45 < t 55 11

55 < t 65 15

65 < t 75 26

75 < t 85 19

85 < t 95 13

95 < t 105 6

3.The histogram below shows the number of passengers that travel in Alfred’s minibus taxi per week.

400 500 600 700 800 900 1000

2

4

6

8

10

12

14

16

Count

No. of passengers

Calculate:

a)the modal interval

b)the total number of passengers to travel in Alfred’s taxi

c)an estimate of the mean

d)an estimate of the median

e)if it is estimated that every passenger travelled an average distance of 5 km, how much money would

Alfred have made if he charged R 3,50 per km?

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1.2GN2 2.2GN3 3.2GN4

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Chapter 10. Statistics 371