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Complete the analysis of variance. At a .05 level of significance, is there a significant difference between the treatments?
What is your conclusion based on both the p-value and critical-value approaches and what is the p- value, and what is your conclusion?
Compute the mean, variance, and standard deviation of the overseas bond yields as of March 6, 2009.
Estimate the proportion of made 6-foot putts by professional golfers. Estimate the proportion of made 6-foot putts by amateur golfers. Which group had a better putting accuracy?
What is the 90% confidence interval estimate of the difference between the two population means? How do the results compare in all the three approaches to hypothesis testing?
Explain how significance is determined in simple terms as well and define a statistical interaction and how it affects your results. Give an example. List the variables that are interacting and why.
Calculate the mean yearly value using the average gas prices by month found in the Final Project Data Set. What is the slope of the linear regression line and what is the Y-intercept of the linear reg
What was the explanatory variable? The explanatory variable is the number of students taking a first year seminar course for pre-health professional majors.
State the null hypothesis and the alternative hypothesis and compute the value of the test statistic and what is your decision regarding the null hypothesis?
Compute a confidence interval for the difference in population means and assume x is normally distributed in the populations and the variances of the populations are approximately equal.
Why, in my day, kids were much more respectful and didn't cause as much trouble as they do nowadays!" Formulate a hypothesis related to statement that you could test. How would you test it?
Develop the 90 percent confidence interval for the population mean and explain why we need to use the t distribution. What assumption do you need to make?
Run a chi square goodness of fit using Type of Purchasing (PurType) as the variable with all categories equal and report the observed and expected values and the tests of statistical significance.
Find the probability that among 13 pea offspring; at least 1 pea has a green pod and find the probability that among 8 pea offspring between 2 and 5 have yellow pods.
Does the Southside qualify for the employment assistance program and provide the city council with a recommended course of action based on this result.
What is the probability that the average will be 140 lbs or longer if the individuals are randomly selected and calculate the z-score for an x of 21.5 from a sample of size 25.
What is the probability that the individual is a driver and what is the probability that the individual is male?What is the probability that both are transit users?
What is the probability that on your next trip to your friend's house, you will have to stop for exactly one red light and what is the probability that you will have to stop for at least one red light
This variable represents the number of machine breakdowns during a day, based on this simulation run, what is the average number of breakdowns per day?
Compute the mean and variance of the discrete probability distribution and determine the probabilities of the following events using the binomial formula.
Calculate trial control limits for the two charts and on the assumption that the R chart is in control, estimate the process standard deviation.
Calculate all the first and second order inclusion probabilities and find the value of E[n(a)] in two ways
Explain how you use data or summaries of data every day-or how data or summari es of data are used on you. Give examples that are different from those provided in the link above,
What events occurred in these months that may have caused such an extreme performance in the stock's return and describe and analyze the monthly returns using Stata's statistical and graphics capabili
What is the probability of selecting a finance or accounting major and what is the probability of selecting a female or an accounting major? Which rule of addition did you apply