Mathematics, 22.01.2022 14:00, lorenaandreahjimenez

2 i) Calculate S. D. from the following data: X=3,7,12,15,18 Show the effect on S. D. when each item is . a)increased by 3
b) decrease by 2

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2 i) Calculate S. D. from the following data: X=3,7,12,15,18 Show the effect on S. D. when each i...