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For this research question:
Clearly identify the independent and dependent variables you would study.
Determine whether a one-tail or two-tail test is most appropriate and explain why.
Generate a testable null statistical hypothesis and an alternative statistical hypothesis.
Select an alpha level of .05, .01, or .001 and justify the statement
A research question, the independent and dependent variables you would study, an explanation of whether a one- or two-tail test is most appropriate, your testable null and alternative hypothesis, and an explanation of which alpha level you would select and a justification of the choice.
1) We are 99% confident that the proportion of patients surveyed that have experienced a reduction in symptoms is between 0.2112 and 0.6638. 2) We are certain that 99% of patients will be between 0.2112 and 0.6638. 3) We cannot determine the proper..
The sample data are summarized by the statistics n = 27, x = 4.6 years, s- 1.9 years.
A corporate CEO reviews the earnings of three divisions over the last eighteen months. Each division reports its earnings quarterly.
A recent study reported that the prevalence of hyperlipidemia (defined as total cholesterol over 200) is 30% in children 2-6 years of age. If 12 children are analyzed,
How would you find the normal approximation to the binomial probability P(x = 5) in part A? Please show how you would calculate µ and σ in the formula for the normal approximation to the binomial, and show the final formula you would use without g..
Set up the appropriate null and alternative hypothesis for testing whether the original sample overestimated the average executive director annual salary.
Let X be a random variable with probability density distribution given by. Find the probability density function of Y=10X - 4.
At a particular location on a river the number of fish caught per man-hour of fishing effort has a Poisson distribution with ?= 1.3 fish per man hour. Find the following probabilities:
Consider the following statement and discuss its implications. 'It is possible for a statistically significant result to be of no particular practical significance, depending on the context of the analysis.'
Determine regression equation. Use assets as independent variables. For fund with $400.0 million in sales, determineut five-year rate of return (in percent).
Here is a two-way table showing enrollment data for full-time undergraduate students in U.S. colleges and universities. The entries are thousands of students:
The diameters of bolts produced by a certain machine are normally distributed with a mean of 0.30 inches and a standard deviation of 0.01 inches. What percentage of bolts will have a diameter greater than 0.32 inches?
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