# How to simplify this expression? (statistics)

I want to find a simplified solution for the attached expression, I tried several times, but each time my solution changed.

X(bar)= sum(x(i)) (idem Y(bar))

Thanks in advance!

Cc 2213

8

## Answer

**Answers can be viewed only if**

- The questioner was satisfied and accepted the answer, or
- The answer was disputed, but the judge evaluated it as 100% correct.

1 Attachment

Fiuzeri

22

The answer is accepted.

Join Matchmaticians Affiliate Marketing
Program to earn up to 50% commission on every question your affiliated users ask or answer.

- answered
- 1521 views
- $20.00

### Related Questions

- How do I meaningfully display Kruskal Wallis Data when I have a lot of zeroes?
- Quantile function of CDF
- Stochastic Processes Questions
- Check if problems are correct
- Explain how to get the vertical values when $n = 10$, $p = .5$, $\mu = 5$ and $\sigma^2 = 2.5$
- How to determine which predictor (in multiple linear regression) has the largest effect on the response? Should I be using any statistical test?
- Question about sample size calculation for a single arm long term follow-up study
- Probability of drawing a red ball, given that the first ball drawn was blue?

The bounty is low for the level of the question.