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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
Can you describe a data set for which one would one would prefer to use the median rather than the mean and can you think of a situation for which the mean would be preferred to the median and the mod
Draw to scale a time series graph representing and using the ratio-to-moving-average method, determine the quarterly seasonal indices.
What proportion of municipal bonds is issued by suburbs and What is the probability that a randomly selected visit will last between 60 and 90 minutes?
What is the p value associated with your sample mean wait and what conclusions can you draw from these results
Construct a 95% Confidence interval for diffrence between the two populations. At the alpha equals .10 level of significance, can the firm conclude that Chicago households buy more online than Milwa
Find the average of the three trials, so the correct number of significant figures, and decide if these measurements gave an accurate result.
Assume you have the following data: H1: µ ? 200, S =30, n = 64, and X =218. Conduct a two tailed hypothesis test at the 0.05 significance level.