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The Distribution, Given Below, Shows the Marks Obtained by 25 Students in An Aptitude Test. Find the Mean, Median and Mode of the Distribution. - Mathematics

Sum

The distribution, given below, shows the marks obtained by 25 students in an  aptitude test. find the mean, median and mode of the distribution. 

Marks obtained 5 6 7 8 9 10
No.of students  3 9 6 4 2 1
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Solution

Marks obtained(x) No.of student (f)     c.f   fx
5 3 3 15
6 9 12 54
7 6 18 42
8 4 22 32
9 2 24 18
10 1 25 10
total  25   171

Number of terms=25 

Mean=`171/25=6.84` 

Median`= (25+1^("th"))/2 "term" = 13^"th" "term" =7` 

Mode = 6 as it has maximum frequencies i.e. 6

  Is there an error in this question or solution?
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APPEARS IN

Selina Concise Maths Class 10 ICSE
Chapter 24 Measure of Central Tendency(Mean, Median, Quartiles and Mode)
Exercise 24 (E) | Q 9 | Page 376
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