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Consider the following data showing age of first swimming experience by individuals: (20) 14 15 17 18 18 19 20 Age (Years) 19 22

Consider the following data showing age of first swimming experience by individuals: (20) 14 15 17 18 18 19 20 Age (Years) 19 22 23 (i) (ii) Find the average age for first time swimmers. Find the sample standard deviation and variance from the given data.

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