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Shape, Space and Measures
State whether the following are discrete or continuous variables:
The number of people in a record shop.
The height of a CD rack.
The length of tape in a cassette.
The number of tracks on a CD.
The number of people at a party is given as 180, correct to the nearest 20. What's the lowest and highest possible number of people at the party?
The weight of a biscuit is given as 12.5g, correct to the nearest 0.5g. There are 12 biscuits in a packet. Between which limits does the weight of a packet lie?