Question

What is stadnadrd deivation 1 intuition normal distribuion

Answer 1

Answer:

Step-by-step explanation:

standard deviation tells us how spread is data about the mean of the data. it is calculated by square root of variance. the variance is calculated by the formula  sum of square of the difference b/w the individual value and the mean divided by the total no. of observation(total no. of values).

variance= $sum(xi-x(mean))^{2} /n$