Question

A sample of 20 observation has a standard deviation of 3 the sum of the squared deviation ls from the sample mean is ?

Answer 1

Answer :-

Geometry is a branch of mathematics that studies the sizes, shapes, positions angles and dimensions of things. Flat shapes like squares, circles, and triangles are a part of flat geometry and are called 2D shapes. These shapes have only 2 dimensions, the length and the width.

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