A survey among Harvard students was conducted. It is about their starting position when they sleep (face up, face down, left side, or right side). Five hundred students were randomly interviewed. Do the collected data represent a sample or population? Explain your answer.

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A: Given that  Sample size n =20 Population mean μ =90

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A: As per company guidelines I solved exactly three subparts of the question.thank you .

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A: Consider that ρ is the population correlation coefficient between Age and Sleep.

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A: Given : significance level,  α = 0.05

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A: Statisticians use the conventional p-value method to conduct hypothesis testing.

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A: From the given information we find the correct Option.

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A: Given average number of airplaine crashes of commercial airlines is 2.2

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A: Result:  Sum of all probability =1

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Q: What is the predicted explanatory value?

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Q: The following are the average grade of a sample of 20 Senior High School students for the first…

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