What is the standard deviation of the data set {6,8,6,11,8,8,9}?
Enter your answer as a number, rounded to the nearest tenth, if necessary, like this: 4.2

10

step-by-step explanation:

7+3=10

.19875994384

step-by-step explanation:

1699/ 8548

step-by-step explanation:

to find if any function is an inverse of the other, put the first equation in as x in the next one. then simplify and solve. if at the end you get the statement y = x, then it is an inverse. if you get anything else, it is not.