From the grouped data below

MATHEMATICS · Single correct · CBSE · Mathematics · Statistics · Statistics

Problem

From the grouped data below, determine the population variance (correct to the nearest whole number). Age (years): 0–5 | 5–15 | 15–25 | 25–45 Number of persons: 5 | 8 | 10 | 7 (a) 122122 (b) 130130 (c) 126126 (d) 123123

Related theory

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