Standard deviation: Definition, Formulas, Uses, and Examples
In statistics, a standard deviation is a measure of the variability of a set of data points. It is also used to measure the spread of data from the average…
Important Mathematical Relations of Measurement
Important mathematical relations of measurement. These are very important mathematical relations. It must be on the tongue of a student . These common relations are seen very frequently in the…
Important Squares And Square Root Lower Grade Students Mathematics
Important Squares and their square root. THE STUDENT MUST MEMORISE THIS BY TONGUE. 42 = 16 112 = 121 52 = 25 √(25)=5 62 = 36 √(36)= 6 72 =…