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Statistics — MATHEMATICS STD 9 — Question

ICSE BoardEnglish MediumSTD 9MATHEMATICSStatistics4 Marks
Question
Construct a frequency table from the following data:
Marks No. of students
less than $10$ $6$
less than$ 20$ $15$
less than $30$ $30$
less than $40$ $39$
less than $50$ $53$
less than $60$ $70$
✓

Answer

The frequency table is
$C. I$ $c.f$
$0 - 10$ $6$
$10 - 20$ $9$
$20 - 30$ $15$
$30 - 40$ $9$
$40 - 50$ $14$
$50 - 60$ $17$

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