Answer: The standard error of the mean = 0.5
Step-by-step explanation:
Given : Sample size : n = 144
Standard deviation :
The formula to find the standard error of the mean is given by :-
i.e.
Hence, the standard error of the mean =0.5
Answer:
m > 1
Step-by-step explanation:
Minus 6 from both side
m = 1
300,800,400
Million, thousand, hundred
Answer:
2y^2+18x
Step-by-step explanation:
4y^2 + 6x -2y^2 + 12x
=4y^2-2y^2+6x+12x
=2y^2+6x+12x
=2y^2+18x