Total Numbers = 5
Mean (Average) = 85.2
Standard deviation = 10.70981
Variance(Standard deviation) = 114.7
Population Standard deviation = 9.57914
Variance(Population Standard deviation) = 91.76
If the question is 1222 divided by 1,
the answer is 1222.
Answer:
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The reason is because we assume that each week have the same weight and replacing we got:

And the best option would be:
D. 221.25
Step-by-step explanation:
For this case we have the following data given
Week 1 2 3 4
Minutes 190 163 327 205
For this case we can find the mean with the following formula:
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The reason is because we assume that each week have the same weight and replacing we got:

And the best option would be:
D. 221.25
Answer:
A
Step-by-step explanation: