There are various statistical tests which determine the differences between groups or more like anova, t-test, f-test, etc. examples on the other hand of test statistics that examine the relationship of variables includes linear regression which tests the r^2 and correlation.
Answer:
5 1 2
---- x - ---- x + ---- y - 2 + 7
7 7 7
These are like terms so add and subtract:
4 2
---- x + ---- y + 5
7 7
Answer:
<h2><u><em>
x = √95</em></u></h2>
Step-by-step explanation:
from the sign on the picture it is a rigth triangle
we use pythagoras
x² = 12² - 7²
x² = 144 - 49
x² = 95
x = √95
(x = 9.75)
Answer:
=−4√2
I got this when simplified.
The answer would be 2 times whatever the value of x would be
