for-the-sample-data-set-2-4-6-what-is-sigma-x-and-sigma-x-squared

Question

For the sample data set: 2, 4, 6, what is Sigma x and Sigma x squared?

Accepted Answer

Sigma x = 12, Sigma x squared = 56

Answer

Sigma x = 12, Sigma x squared = 36

Answer

Sigma x = 56, Sigma x squared = 12

Answer

Sigma x = 6, Sigma x squared = 12