Answer:
Step-by-step explanation:
well its 4.5-5.25= -0.75
Answer:
a
Step-by-step explanation:
i just took the test
Answer:
Radius:
Step-by-step explanation:
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:






The answer would be -17 because i know