The minimum weight in a survey is and the maximum is

MATHEMATICS · Single correct · GCSE · Mathematics · Statistics · Statistics

Problem

The minimum weight in a survey is

14\,\text{kg}

and the maximum is

86\,\text{kg}

. If the data are to be grouped into

9

equal-width, continuous classes, what should be the class width? (a) 9 (b) 8 (c) 7 (d) 10