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1) What is the Chi-square test? Where can you apply it? Please site an example of how it was used and the outcome of the test. I think this could help me better than the book, it is difficult to understand.
2) What is regression analysis and multiple regression? How would they be used in an outpatient setting? Please indentify two areas where you can use the two concepts and what would be the possible outcomes.
The university policy department must write, on average, five tickets per day to keep department revenues at budgeted levels. Suppose the number of tickets written per day follows a Poisson distribution with mean of 6.0 tickets per day. Find the p..
Illustrate what can we say about the probability distribution. Is it approximately normal, elucidate the mean and standard deviation.
What is the probability you pick a plum and Which of the following is a legitimate probability distribution for this situation
At the .05 significance level, can we conclude that the guideline is still reasonable?
A researcher uses hypothesis test to estimate H0 µ= 80. Which combination of factors is most probable to result in rejecting null hypothesis?
Use drinking as an excuse for outrageous behavior. including public nudity and dancing on tables. Find the standard error of this estimate. and interpret.
Store used ANOVA to test if mean sales for each credit card were equal. What are the degrees of freedom for F statistic?
Test the claim that the mean age of the prison population in one city is less than 26 years. Sample data are summarized as n = 25, x = 24.4 years, and s = 9.2 years. Use a significance level of α = 0.05.
If we wanted to shorten the interval of the estimation of the true mean of Saturday sales to a width of $600 in total, what should the size of our sample be to achieve it?
For a standard normal curve, find the z-score that separates the bottom 90% from the top 10%.
Create a 99% confidence interval estimate of population mean amount of paint included in a 1 gallon can.
A researcher is interested in estimating noise levels in decibels at area urban hospitals. She wants to be 90% confident that her estimate is correct. If the standard deviation is 4.13, how large a sample is required to get the desired information..
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