You first work out the mean then for each number subtract the mean and square the result then work out the mean of those squared differences and take the square rot of that and you're done :)
Answer:
28%
Step-by-step explanation:
To find the percentage, you first have to divide:
35 out of 125 Which is 35 ÷ 125 = 0.28
Then you must convert that into a percentage:
0.28 = 28%
Hope this helps you out! : )
Answer:
32
Step-by-step explanation:
let the number be n , then
n + 
n = 12 ( multiply through by 8 to clear the fractions )
2n + n = 96
3n = 96 ( divide both sides by 3 )
n = 32
The number is 32
