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Describe a study you might design that could use the Chi Square statistic. What are the variables? What are the null and alternative hypotheses? Why would the Chi Square test be appropriate for this design? What would the Chi Square statistic indicate in relation to your research question? What would it not indicate? Be specific and use your sample study to illustrate your answers. This response does not need to be supported with external research.
Why do we care whether the assumptions required for statistical tests are met?
A statistics professor plans class so carefully that the lengths of his classes are uniformly distributed between 45.0 and 55.0 minutes. find the probability that a given class period runs greater than 50.75 minutes? find the probability of se..
Relationship between the average Wonderlic score and graduation rate?
In a simple random sample of 36 families in a certain country, you find that sample mean income to be $9,500 with a sample standard deviation of $2,500. Run a hypothesis test (α=.05) to test whether the population's mean exceeds $9,000. What is the..
A typical adult has an average IQ score of 105 with a standard deviation of 20. If 20 randomly selected adults are given an IQ test, what is the probability that the sample mean scores will be between 85 and 125 points?
Evaluate the expected value of the total number of sales
What is the probability
In a positive relationship I know that if X increases y increases but if x decreases and y decreases is this also a positive relationship?
Does there appear to be a relationship between work hours and loan amount - Explain the meaning of the coefficient of determination as it applies specifically to this problem.
Where y∗i = a1 · yi + a2, for i = 1, ..., n, and a1 and a2 are known positive constants?
Calculate the total tax bill for both low and high income individuals in both countries and fill in the table above with your results and what is the unemployment rate
The diameter of a mechanical cylinder is 3 inches but can be as large as 3.03 inches and as small as 2.97 inches. If the process has a grand mean of 3.01 inches and a standard deviation of.02 inches. What is the probability of producing bad cylinde..
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