Question
A population of values has a normal distribution with = 220.4 =220.4 and = 84 =84 . You intend to draw a random sample of
A population of values has a normal distribution with
=
220.4
=220.4
and
=
84
=84
. You intend to draw a random sample of sizen
=
120
n=120
.
What is the mean of the distribution of sample means?
What is the standard deviation of the distribution of sample means?
(Report answer accurate to 2 decimal places.)
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Sample Size Determination In Clinical Trials With Multiple Endpoints
Authors: Takashi Sozu, Tomoyuki Sugimoto, Toshimitsu Hamasaki, Scott R Evans
1st Edition
3319220055, 9783319220055
