First we find the mean (or the average)...
average : (82 + 76 + 93 + 82 + 73 + 80 / 6) = 486/6 = 81
now we subtract the average from every data point.....then square the result
82 - 81 = 1.......1^2 = 1
76 - 81 = -5....-5^2 = 25
93 - 81 = 12....12^2 = 144
82 - 81 = 1.......1^2 = 1
73 - 81 = -8.....-8^2 = 64
80 - 81 = -1.....-1^2 = 1
now we find the mean (or average) of those numbers
(1 + 25 + 144 + 1 + 64 + 1) / 6 = 236/6 = 39.33
that is ur variance....to find the standard deviation, take the square root of ur variance.....
square root 39.33 = 6.27 <==
How can your mom say she’s a virgin? Unless you’re not directly from her. You look like your dad because of genes. I look like my mom while my sister looks like my dad. Nothing changes that. Ask her why she says that—?
2 closets each with 3 shelves, 2x3 is 6. 5 backpacks on each shelf so 6x5 is 30
Therefore there is a total of 30 backpacks
x = 6 ± √30
x² + 2( -6)x + 36 = - 6 + 36
(x - 6)² = 30 ( take the square root of both sides )
x - 6 = ± √30 ( note plus or minus )
add 6 to both sides
x = 6 ± √30 ( exact solutions )
40*4.5 +45= 225
If the service fee is not relavent to time based on my understanding.
