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Data Handling I (Collection and Organisation of Data) — MATHS STD 7 — Question

Gujarat BoardEnglish MediumSTD 7MATHSData Handling I (Collection and Organisation of Data)3 Marks
Question
Construct a frequency distribution table for the following marks obtained by  $$ students in a history test in class $VI$ of a school: $9, 17, 12, 20, 9, 18, 25, 17, 19, 9, 12, 9,12, 18, 17,19, 20,25, 9, 12, 17, 19, 19, 20, 9$
  1. What is the range of marks?
  2. What is the highest mark?
  3. Which mark is occurring more frequently?
✓

Answer

Required frequency-distribution table:
Marks
Frequency
$9$
$6$
$12$
$4$
$17$
$4$
$18$
$2$
$19$
$4$
$20$
$3$
$25$
$2$
  1. Range of marks: $25 – 9 = 16.$
  2. The highest mark is $25.$
  3. $9$ is occurring most frequently.

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