Answer:
Population A
Step-by-step explanation:
Think about. If population A already known for normally distribution AND you take large samples. The rest would still be distributed, Which keeps population A a Normal Distribution.
but Population C is nor normally distributed, so if you take away large samples. it will deteriorate its distribution so it won't get any better or in this case, normal. so. it is Population A.
Yfiyfidy. It’s soot ioydotdi
It’s Bc. H. Dey h. Yes so I’m hehe what crazy now
Answer:
40
Step-by-step explanation:
do 320=8t
divide 320 by 8 to isolate t
t = 40
Answer:
Step-by-step explanation:
Given
<u>Brand A</u> <u>Brand B</u>
Required
Determine the test statistic (t)
This is calculated as:
Calculate s using:
The equation becomes:
So:
