Answer:
Test statistic,
(to 3 dp)
Step-by-step explanation:
Deviation, d = x -y
Sample mean for the deviation


Standard deviation: 


SD =2.93
Under the null hypothesis, the formula for the test statistics will be given by:


Answer:
6 days
Step-by-step explanation:
First, we make common denominators:
3 *2 = 6
_ -> _
4 *2 = 8
and we get 6/8
6/8 divided by 1/8 will be 6 days
Answer:
11, 12, and 13
Step-by-step explanation:
Answer:
https://youtu.be/cqF6M25kqq4
Step-by-step explanation:
Answer:
c
Step-by-step explanation: