The weights of 20 men have mean x=190 pounds and standard deviation s=pounds. What is the standard error of the mean? a) 42.5
b) 2.7
c) 5
d) 0.8)
e) 35

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square

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