Normal Distribution and z-scores. mean: the average obtained by dividing the sum of the data by the number of data in the set. Given a set of data, {x 1, x 2, x 3, ..., x n }, you can find the mean, , using the following formula: standard deviation: the extent to which data differs from the mean.
Quick Answer. Kool-Aid hair dye hair dye can last for eight to 12 weeks. The intensity of the color depends on several factors such as the natural hair color, the amount of time the hair is soaked with the dye, the amount of dye used and the dyeing method used. Continue Reading.
In case you intend to dye your hair but ending up being skeptical about using the chemical-based commercial hair dyes, then you should definitely consider using Kool aid as hair dye. The Kool aid mix powder is manufactured in many flavors thus one can easily opt for a color of their liking easily. This type of hair dye lasts for approximately two months and better yet, your hair will smell with the flavor used! This hair dye offers best result for coloring light hair. However, one can still apply it on dark hair and achieve the color desired but only with less success. Kool Aid dye is very easy as its just a matter of following the simple steps and thatâs all.