It has been suggested that night shift-workers show more variability in their output
levels than day workers. below, you are given the results of two independent random
samples.
night shift day shift
sample size 9 8
sample mean 520 540
sample variance 38 20
test whether the above statement is true. use a =.05.

answer: b.48 for

step-by-step explanation:

=

x=0.8898305 is the answer to that equation

the correct answer is b.

this is because an open circle means < or > & since the line goes left it is < -3.

the next one has a filled circle so it can only be ≥ or ≤ and since the line goes right from 1 it is ≥ 1

hope that