The table shows the distribution of daily study time of a set of students

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

Problem

The table shows the distribution of daily study time of a set of students.
Study time (minutes)Frequency
10–203
20–30x
30–4012
40–507
50–603
If the median study time is 35 minutes, find the missing frequency x. (a) 66 (b) 77 (c) 1010 (d) 55

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