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# CBSE Class 10 Maths Chapter 14 Statistics

NCERT CBSE Class 10 Maths Chapter 14 Statistics  Best Solutions, Video Classes, Live Problem Classes, Worksheet, Test Exam Paper, and Board Exam Paper Last Years Question for CBSE Class 10 Maths

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## Class 10 Chapter 14 Statistics in Maths NCERT

Thirty women were examined in a hospital by a doctor and the number of heart beats per minute were recorded and summarised as follows. Find the mean heart beats per minute for these women, choosing a suitable method.

Cumulative Frequency Curve (Ogive)
(i) The smooth free hand curve is formed by joining the points (xi, fi) where x; is the upper limit of a class and f is the corresponding c.f. The curve so obtained is called a cumulative frequency curve, or an ogive of the less than type.
(ii) The smooth free hand curve is formed by joining the points (xi, fi) where Xi is the lower limit of a class and f is the corresponding c.f. The curve so obtained is called a cumulative frequency curve, or an ogive of the more than type.

### Class 10th Maths Other Chapter Solution

NCERT Solution for Class 8

NCERT Solutions for Class 9

NCERT Solution for class 10

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