What is the standard deviation of the following data? If necessary, round your answer to two decimal places. 9, 10, 10, 8, 7, 11
1 answer:
You might be interested in
You may notice that all of the terms have a common factor: . So, let's take the
out of all the terms. This gives us:
Using the Zero Product Property, we can say that both and
.
Let's solve both. is obvious, but we still need to solve our other term:
- Set up
- Factor
- Apply the Zero Product Property
Our answer is x = -6, 0, 4.