math quiz

1. The mean of a set of numbers (m 4), m, (m +2), 2m, (2m + 3) is 10

A. i) Calculate the value of m

• 12

• 8

• 7

• 9

1. The mean of a set of numbers (m 4), m, (m +2), 2m, (2m + 3) is 10

ii) Calculate the interquartile range

• 11

• 12.9

• 18

• 10.5

1. The mean of a set of numbers (m 4), m, (m +2), 2m, (2m + 3) is 10

B) Each number in the set of data is multiplied by 3 and then added by 2, Calculate the interquartile range the new set of data

• 30

• 29.8

• 31.5

• 31.6

A) Calculate the interquartile range

• 7

• 10

• 6

• 7.5

Each number in the set of data is divided by 5 and then 10 is deducted from it. Find the new interquartile range

• 1.3

• 2.1

• 5

• 1.4