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Mathematics: Range, variation and standard deviation

RANGE, VARIATION AND STANDARD DEVIATION

In this module, you can study the basic statistical measures of dispersion: range, variance and standard deviation.

 

The video above is a good explanation from Khan Academy about statistical measures of dispersion: range, variance and standard deviation.

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HOW TO USE A BASIC CALCULATOR

The video explains how to use basic calculator functions and provides examples.

 

0.00 min      addition (+), subtraction (-), multiply (x), divide (÷)

1.19 min      decimal point
2.43 min      C, CE and backspace
4.19 min      square, square root & fractions
6.17 min      percentage (%)

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