Find the mean of first six multiples of $4$.

Chapter-Wise 3D Mathematics Videos from NCERT NCERT Exemplar Mathematics - Class 7

02 min 07 sec

Mean of Ungrouped data: Example

Familiarise yourself with the calculation of the arithmetic means of the values collected in the data. This example involves marks scored by students.

05 min 41 sec

Drawing a Bar Graph

Do you know how to draw a bar graph? Draw the vertical and horizontal axes. Label both the axes. Watch this video for complete information on drawing a bar g...

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03 min 38 sec

Interpretation of a Bar Graph

A bar graph organises categorical data into groups and represents these amounts by using bars of different lengths. Watch and interpret the information conve...

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