NCERT Exemplar - Statistics Class 10 Notes | EduRev

Mathematics (Maths) Class 10

Class 10 : NCERT Exemplar - Statistics Class 10 Notes | EduRev

The document NCERT Exemplar - Statistics Class 10 Notes | EduRev is a part of the Class 10 Course Mathematics (Maths) Class 10.
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Q.1. Find the mean marks of students for the following distribution:
NCERT Exemplar - Statistics Class 10 Notes | EduRev
Ans. 
By step deviation method
Let a = 55 and h = 10
NCERT Exemplar - Statistics Class 10 Notes | EduRev
NCERT Exemplar - Statistics Class 10 Notes | EduRev

Q.2. Determine the mean of the following distribution:
NCERT Exemplar - Statistics Class 10 Notes | EduRev
Ans.
a = 45, h = 10.
NCERT Exemplar - Statistics Class 10 Notes | EduRev
NCERT Exemplar - Statistics Class 10 Notes | EduRev

Q.3. The following table shows the cumulative frequency distribution of marks of 800 students in an examination:NCERT Exemplar - Statistics Class 10 Notes | EduRev
Construct a frequency distribution table for the data above.
Ans.
Frequency distribution table:
NCERT Exemplar - Statistics Class 10 Notes | EduRev

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