Mathematics

Problem

Determine the standard deviation (correct to one decimal place) for the data given below. Class interval (kg): 0–6 | 6–18 | 18–30 | 30–42 | 42–66 Frequency: 5 | 8 | 12 | 7 | 3 a) 16.2 b) 12.2 c) 14.2 d) 15.2

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