Standard error (SE)

Or

Therefore, SE of the mean = (8)/(2) =4
Answer:
Points C,D, E and F are coplanar.

It is true only whenever x tends to 0(zero)
it is not importent that x be in radian or in degree.
Answer:
It's D.
Step-by-step explanation:
The shorter period loan has the same total interest for the same loan amount, so it has the higher effective interest rate: 80/12 is higher than 89/14.
Mass error is due to temperature which is a random error. I believe.