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Compare the two sets and describe what you discover.
The following data sets shows the ages of the first seven presidents (President Washington through President Jackson) and the seven most recent presidents including President Obama. Age is given at time of inauguration.
First 7: 57 61 57 57 58 57 61
Second 7: 61 52 69 64 46 54 47
How many ways can she choose 4 dissimilar rides if order does not matter? If she has chosen the first weeks rides, how many ways can she choose four more different rides for second week? Suppose that order does not matter.
We wish to determine whether the homicide rate is different in different parts of the country and, if it is different, what is the pattern. We have data on 36 states - 9 each in the four regions Northeast, Midwest, South and West.
Describe a scenario related to the final project in which you would use repeated-measures ANOVA. Describe a scenario related to the final project in which you would use MANOVA.
A student team examined parked cars in four different suburban shopping malls. One hundred vehicles were examined in each loation.
Otherwise, no ordering will take place. Find the steady-state probabilities of the state of this Markov chain?
To see if his belief is substantiated, conduct the test at a suitable significant level. State the assumptions made. see if his belief is substantiated, conduct the test at a suitable significant level. State the assumptions made.
From a random sample of 48 days in a recent year, U.S. gasoline prices had a mean of $2.34 (wow - that's old data!) and a standard deviation of $0.32. Construct the 90% and 95% confidence intervals for the population mean.
What do the coefficients of the regression line tell you about the relationship between mortgage rates and housing starts?
What is the intercept for the logistic regression equation and What is a 95% confidence interval for the odds ratio
A survey of Ohio University students was conducted to determine if there was a particular Green that was desired by students to live on. A sample of students responses are reproduced below. Do students prefer a particular Green? Use critical value..
In a random sample of 80 items, the defect rate is 5% but the manager claims that this is only a sample fluctuation and production is not really out of control. At the 0.01 level of significance, does the data provide sufficient evidence that the ..
Assume that another counselor decided to extend the aforementioned study by collecting data on 14 children. His study yielded the following results:
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