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Mathematics, 05.05.2020 23:58 barbiegirllover

In a statistics lesson 12 people were asked to think of a number, x, between 1 and 20 inclusive. From
the results Tom found that Ex = 186 and that the standard deviation of x is 4.5. Assuming that Tom's
calculations are correct, find the values of 2(x - 10) and 2(x – 10).
[3]

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