[Step-by-Step] An April 2004 article on HearThelssues.com stated that Americans watch an average of 4.0 hours of television per person per day (source: Nielsen
Question: An April 2004 article on HearThelssues.com stated that Americans watch an average of 4.0 hours of television per person per day (source: Nielsen Media Research). If the standard deviation for the number of hours of television watched per day is 2.1 and a random sample of 250 Americans is selected, the mean of this sample belongs to a sampling distribution.
- What is the shape of this sampling distribution?
- What is the mean of this sampling distribution?
- What is the standard deviation of this sampling distribution?
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[Solution] Consider a normal population with μ=43 and σ=5.2
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(Step-by-Step) Given the information, the sampled population is
(Solved) State the null and alternative hypotheses for each of
(Step-by-Step) State the null hypothesis Ho and the alternative
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