If you multiply each entry of a set by 3 and added 1, how would the mean and standard deviation change?

Question

If you multiply each entry of a set by 3 and added 1, how would the mean and standard deviation change?

↳Redirected from "Which following pairs of atoms, have a lower electron affinity? a) Ca,K b) I,F c) Li, Ra. I seriously don't know anything about electron affinity all ik that it can buy another element"

1 Answer

Impact of this question

4331 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2015-11-02T10:25:41

Let Y = 3X + 1, then if #barx# and #sigma# are the mean and S.D. of X, then those of y are respectively #bar y# = 3#barx# + 1 and
#sigma_y# = 3 #sigma_x#

Science

Math

Humanities

... and beyond

If you multiply each entry of a set by 3 and added 1, how would the mean and standard deviation change?

1 Answer

Related questions

Impact of this question