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An April 2004 article on HearTheIssues.com stated that Americans have an average of 2.31 televisions per household. If the standard deviation for the number of televisions in a U.S. household is 1.8 and a random sample of 73 American households is selected, the mean of the sample belongs to a sampling distribution. A) what is the shape of this sampling distribution? (Skewed right, approx. normal, skewed left, or uniform) B) what is the mean of this sampling distribution? (2 decimal places) C) what is the standard deviation of this sampling distribution? (3 decimal places)
Suppose that these 49 patients constitute the random sample, and that population is normally distributed with standard deviation of 10. Calculate the 95% confidence interval for heartbeats per minutes in population.
This distribution is positively skewed. The standard deviation of the population is not known.
In this problem set you will get some practice performing hypothesis tests for two samples. If you use Statdisk to perform any portion of these analyses, please include the results, label them, and refer to them accordingly in your interpretations..
Expalin what would be the appropriate statistical procedure to test the following hypothesis: Triglyceride values are a good predictor of weight in obese adults.
35 brown 20 yellow 20 orange 15 green and 10 tan.nbspeach piece of candy in a random sample of 100 plain mampms was
The central university has a student population of 60000. The university is interested in determining what proportion of them is in favour of a new grading system.
With any statistical model, we assess the fit: Does the model accurately depict the truth? Explain how one of the following helps assess the "fitness" of the mean.
The standard deviation of 6. What is the probability that a class of 50 has an average midterm mark that is less than 75?
question a pga professional golf association tournament organizer is attempting to determine whether hole pin placement
according to the most recent labor department data 10.5 of engineers electrical mechanical civil and industrial were
in a few sentences can you explain why is it important to be able to translate reported findings for research studies
A University employment office wants to compare the time taken by graduates with 3 different majors to find their first jobs after graduation.
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