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Construct the Frequency Distribution Table from the Following Cumulative Frequency Tablestate the Number of Students in the Age Group 10 13 State the Age-group Which Has the Least Number of Student - Mathematics

Sum

Construct the frequency distribution table from the following cumulative frequency table:

Ages No. of students
Below 4 0
Below 7 85
Below 10 140
Below 13 243
Below 16 300

(i) State the number of students in the age group 10 - 13.
(ii) State the age-group which has the least number of students.

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Solution

The frequency distribution table is

 C. I c.f
4 -  7 85
7 - 10 55
10 -  13 103
13 - 16 57

(i)The number of students in the age group  is 10 -13 is 103

(ii)The age group which has the least number of students is  7 - 10

Concept: Frequency Distribution Table
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APPEARS IN

Selina Concise Mathematics Class 9 ICSE
Chapter 18 Statistics
Exercise 18 (A) | Q 11 | Page 228
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