Register

A random variable X has a mean of 10 and a standard deviation of 3. If two is added to each value of X, what will the new mean and standard deviation be? I'm really not sur…

A random variable X has a mean of 10 and a standard deviation of 3. If two is added to each value of X, what will the new mean and standard deviation be? I'm really not sur…
63.9k views
3 votes
A random variable X has a mean of 10 and a standard deviation of 3. If two is added to each value of X, what will the new mean and standard deviation be?

I'm really not sure how to even go about this, any help given is appreciated.
Thank you!

User Mazrick
by
8.7k points

1 Answer

3 votes
the mean will go up two since the mean is basically the average so 12. but the sd will not move since your not changing the distance between the numbers.
User Hossein Margani
by
7.5k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Link Copied!