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Subjects
Mathematics CBSE
Class 10
Statistics
Textbook Questions
20.
Exemplar Exercise Problem V
Exercise condition:
3
m.
Calculate the mean of the scores of \(20\) students in a mathematics test :
Marks
\(10-20\)
\(20-30\)
\(30-40\)
\(40-50\)
\(50-60\)
Number of students
\(2\)
\(4\)
\(7\)
\(6\)
\(1\)
Answer:
The mean is
.
[
Note:
Enter the answer in to two decimal number.]
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