1)

a) 193 cm

b) 131 cm

2)

a) 987 g

b) 933 g

3) 470 minutes

4) 71.95 kg

5) 12 calls

6)

a) 244

b)

i) 61

ii) 183

a) 193 cm

b) 131 cm

2)

a) 987 g

b) 933 g

3) 470 minutes

4) 71.95 kg

5) 12 calls

6)

a) 244

b)

i) 61

ii) 183

**Working**

**Questions**

1) I measure the heights of individuals in my class. The range of the heights was 31 cm. An individual in the class has a height of 162 cm.

a) What is the potential maximum height of an individual in the class?

b) What is the potential minimum height of an individual in the class?

2) I weigh bags of flour from a shop. The range of weights is 27 g. One of the bags has a weight of 0.96 kg.

a) What is the potential maximum weight of a bag of flour that I weighed? Give your answer in grams.

b) What is the potential minimum weight of a bag of flour that I weighed? Give your answer in grams.

3) The mean amount of time that 10 individuals spent watching TV per day is 47 minutes.

a) How many minutes were watched by the 10 individuals in total?

4) A five-a-side football team has 5 players in the first team and 3 subs. The 5 players in the first team have a mean weight of 70.3 kg. The mean weight of the 3 subs is 74.7 kg.

What is the mean weight for the whole team?

5) The mean number of phone calls that a receptionist made from Monday to Thursday was 27. The mean number of phone calls that a receptionist made from Monday to Friday was 24. How many phone calls did the receptionist make on the Friday?

6) I am a delivery driver. The mean number of parcels that I deliver from Monday to Friday is 73. The mean number for the whole week (Monday to Sunday) is 87.

a) How many parcels do I deliver on Saturday and Sunday?

b) On Sunday I deliver 3 times as many parcels as Saturday.

i) How many parcels do I deliver on Saturday?

ii) How many parcels do I deliver on Sunday?