Which of the choices is the standard deviation of the sample shown here?

19, 20, 21, 22, 23

A. 2.5

B. 21

C. square root of 2.5

D. 2

E. square root of 2

Vertex of Golden Gate Bridge

The graph of a line goes down and to the right when

A teacher finds that final grades in the statistics department are distributed as: A, 25%; B, 25%; C, 40%; D, 5%; F, 5%. At the end of a randomly selected semester, the following grades were recorded.

Simplify (s) (-3st) (-1/3)

What is 1.8 increased by 10?

If 2/5 of a tumor weighs 1 pound, how much will the whole tumor weigh?

The following graph details the number of performances of plays a Shakespearean acting company has performed over the past five years. A pie chart titled Performances.

What number in multiplication is equal to 15,000

Perry bought one jar of sun-dried tomatoes for $4. How many jars of sun-dried tomatoes can Sadokat but if she has $12

Solve the equation 8x - 12=5x+15