Question: a) Expand (x * 5) and simplify your answer. Use the expansion to estimate .02 correct to four decimal places (5 Marks) by The table

a) Expand (x * 5) and simplify your answer. Use the expansion to estimate .02 correct to four decimal places (5 Marks) by The table below shows the number of people in a certain age group. Compute the mean, mode median, vanance and standard deviation (15 Marks) Age group 19 27 28 36 87 45|45 54 55 63 64 72 73 81 32 90 15 16

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