Asked by toyman
For a random sample of 10 men, the mean head circumference is x = 57.3 cm and the sample standard deviation is s = 2 cm. The standard error of the sample mean is:
a. 0.200
b. 0.447
c. 0.500
d. 0.632
a. 0.200
b. 0.447
c. 0.500
d. 0.632
Answers
Answered by
drwls
2/sqrt(10) = 0.632
It is explained here:
http://en.wikipedia.org/wiki/Standard_error_(statistics)
It is explained here:
http://en.wikipedia.org/wiki/Standard_error_(statistics)
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