Answer:

Step-by-step explanation:
Given


Required
Determine MSE
This is calculated as:

Where:

denominator df
So, we have:


To calculate the df, we have:
--- observations
treatments
So:




So, we have:



If the line is parallel, it has the same slope. So now just find the y intercept and put it into slope-intercept form
the answer is I don’t know
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All you have to do is divide the medium sized jerseys by the total number of jerseys and multiply by 100.
15/50*100=30%
B. Total number of times the activity is performed: Number of times an event occurs