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the question. Make sure you start new workings.
The histogram below shows information about the masses of gold in the rings in a jewellery shop.
a) Work out an estimate for the number of rings that contain between 1.6 g and 3 g of gold.
b) Write a sentence to explain why the value you calculated in part a) is only an estimate.
Frequency density
25
100
75
50

Sagot :

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