3 years ago

Fiad the sample variance and standard deviation. 21, 10, 3, 7, 11

Mathematics

1 answer:

Serggg [28]3 years ago

7 0

Answer:

SD = 5.987, Var(X) = 35.85

Step-by-step explanation:

Apply the standard deviation formula, remembering that n represents the sample size. Then, just take the square of the standard deviation to obtain the variance.

Hope this helps!

You might be interested in

The Bill for dinner at Dave and Busters last night was $62.20. The waiter received an 18% tip. How much of a tip did the waiter

notsponge [240]

11.196 or 11.20 is the answer

3 0

3 years ago

every 1/2 mile along a hiking path there is water fountain, every 1/4 mile there is a bench, and every 1/8 mile there is a marke

defon

Bench and mile marker

7 0

3 years ago

Which line has a slope of 2?

sveta [45]

The line that has the slope of 2 is Line C.

5 0

3 years ago

What is the value of s in the equation 3r = 10 + 5s, when r = 10?

kupik [55]

S = 4

3(10) = 10 + 5s
30 = 10 + 5s
30 - 10 = 5s
20 = 5s
20 ÷ 5 = s
4 = s

4 0

3 years ago

Read 2 more answers

What does the slope of a line represent?

timurjin [86]

Answer:

A. change in a dependent variable

6 0

3 years ago

Read 2 more answers