Suppose a population of interest consists of the following measurements: 70, 80, 75, 75, 80. What is the population variance? O 70 O196 O 17.5 3.74
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A: Answer: Option A. 0.89.
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A: Simple random sample is when the items are randomly selected from the whole data.
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A: σ2= ∑(xi-x¯)2n
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A: The population mean is, μ=∑XN=12+6+8+12+35=415=8.2 The population mean is 8.2.
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Q: Which of the following values will give us the most relevant information about a particular group of…
A: Sol:- Correct option :-
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