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What is the difference between a repeated measures ANOVA and a mixed-design ANOVA?
Assume the population standard deviation of unoccupied seats for all flights for this airline is equal to 4.103. Find a 90% confidence interval for μ and the mean number of unoccupied seats
A study with 14 subjects reported a result that failed to achieve statistical signi?cance at the 5% level. The P-value was 0.052. Write a short summary of how you would interpret these ?ndings.
Formulate the hypothesis that can be used to determine whether the sample data support the hypothesis that the mean fuel efficiency rating for midsize cars is greater than the mean fuel efficiency for large cars.
suppose a baseball player had 243 hits in a season. in the given probability distribution the random variable x
Keith's Florists has 16 delivery trucks, used mainly to deliver flowers and flower arrangements in the Greenville, South Carolina, area. Of these 16 trucks, 7 have brake problems. A sample of 6 trucks is randomly selected. What is the probability ..
Calculate the mean and the standard deviation of the stock prices.- Get the corresponding data for Kmart and calculate the mean and the standard deviation.
Choose and make data displays. Describe the shapes of the samples and how they differ.- Perform a t test to compare the population mean repair times. Give hypotheses, the test statistic, and the P-value.
What are some conditions under which business decisions are made using probability concepts? Provide at least two examples of subjective probability.
An experiment was conducted to determine the effect of germination time (in days) and temperature (degrees C) on the free alpha amino nitrogen (FAN) content of rice malt. The values shown in the following are the treatment means of FAN with n = 2 ..
Pairwise relationships among variables in the CSDATA data set. Using a statistical package, generate the pairwise correlations and scatterplots discussed previously. Comment on any unusual patterns or observations.
Do the effects of being born prematurely linger into adulthood?- Is this evidence that babies born with a very low birth weight are more likely to be smaller than normal adults?
Describe these distributions by writing a few sentences comparing the duration of hospitalization for men and women.- Can you suggest a reason for the peak in women's length of stay?
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