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Do red states (U.S. states whose residents tend to vote Republican) have different voter turnouts than blue states (U.S. states whose residents tend to vote Democratic)? The accompanying table shows voter turnouts (in percentages) for the 2004 presidential election for eight randomly selected red states and eight randomly selected blue states.
a. What is the independent variable, and what are its levels? What is the dependent variable?
b. Is this a between-groups or within-groups design? Explain.
c. Conduct all six steps of hypothesis testing for a Mann-Whitney U test.
d. How would you present these statistics in a journal article?
consider the three samples listed in the tablea 153b 06252c 31263obtain the sample mean and the sample standard
The following estimated regression model was developed relating yearly income (Y in $1,000s) of 30 individuals with their age (X 1 ) and their gender (X 2 ) (0 if male and 1 if female).
Examine the relationship between final grade and the reported hours per week each student said they studied for the course. Do we have evidence that females are being discriminated against?
suppose n80000 n20000 and s50.a. compute the standard error of x using the finite population correction factor. round
Assuming that the prisoner will always select doors 1, 2, and 3 with probabilities 0.5, 0.3, 0.2, what is the expected number of days until he reaches freedom? Assuming that the prisoner is always equally likely to choose among those doors that he..
The average cost of repairing a VCR is $80 with a standard deviation of 19. if one VCR is repaired, find the probability the cost is between 70 and 90.
Use the results obtained for the data of Example 9 and the result of part (b) of Exercise 40 to construct 99% limits of prediction for the sales price of a three-bedroom house with two baths in the given housing development.
1.Distinguish some things to consider when writing a casual analysis 2.Analyze and discuss some important things to consider when writing a compare/contrast essay.
on the average 1 computer in 800 crashes during a severe thunderstorm. a certain company had 4000 working computers
(a) Produce a line graph of the hotel's occupancy rate per month. (b) Fit a least squares trendline to the hotel occupancy rate data.
Was this a case-control study, a randomized experiment, or an observational study that was not case-controlled?- What are the explanatory and response variables in this study?
Eating in front of the TV. Roper Reports asked a random sample of people in 30 countries whether they agreed with the statement.
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