5. Suppose you’re given the data set 1,2,2,4,6 work through the flowing steps to calculate the standard deviation. You may fill in the table if it helps a. x b.(x − x) c. (x − x)2 d. Σ(x − x)2 e. variation Σ(x − x)2 f. n x Mean x (x-x) (x − x)2 1 2 2 4 6

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?