the following data values represent a sample. what is the variance of the sample? x=9. use the information in the table to help

Question

3 years ago

6

you

1 answer:

KiRa [710] · Answer 1 · 2022-03-14T17:46:13+03:00

Answer:

Step-by-step explanation:

Variance of X = 9

Regression equations are

(*) 8x −10y + 66 = 0

(**) 40x −18y − 214 = 0

Find out the following missing results.

(i) The means of X and Y

(ii) The coefficient of correlation between x and y

(iii) The standard deviation of Y