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The average spring snow depth
Sequoia National Forest has
averaged 50 feet since it was
first measured some 100 years
ago. Test at the 5% significance
level the assertion that there is
a greater mean depth this year
if the snow depths at 16
randomly selected sites had a
mean of 57 feet and a standard
deviation of 14.1 feet. Assume
that the original population has
normal distribution.
A. Reject Ho
B. Fail to reject Ho
FUO.sh
sh the exam.
Let
to.025; 15 2.131 to.05; 15-1.753
