6
(Choose1answer)
A simple
random
Z0.025 1.96; to.025,10-2.23
20.05 1.65; to.05,10-1.81
sample of 5-year-old boys from a city is obtained and their weights are listed below.
50 38
58 51
34 89
57 44
75 27 64
Use a 0.05 significance level to find the critical value to alaim that
test the
Let