Answer:
11.5
The sample standard deviation measures the spread of a data distribution of the sample. It is usually used to estimate the population standard deviation
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Answer:
8(4g+3c)
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Answer:
I dont know because your picture is sideways and i cannot think whilst my head is tilting sideways to view a problem. Sorry,
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The first answer is -45 but I don't know the other one's man.
