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1. Toll Brothers is a luxury home builder that would like to test the hypothesis that the average size of new homes exceeds 2,400 square feet. A random sample of 36 newly constructed homes had an average of 2,510 square feet. Assume that the standard deviation of the size for all newly constructed homes is 480 square feet. Toll Brothers would like to set α = 0.02. Use the p-value approach to test this hypothesis.
2. AT&T would like to test the hypothesis that the average revenue per retail user for Verizon Wireless customers equals $50. A random sample of 32 Verizon Wireless customers provided an average revenue of $54.70. It is believed that the population standard deviation for the revenue per retail user is $11.00. AT&T would like to set α = 0.05. Use the p-value approach to test this hypothesis.
a hospital spokesperson claims that the standard deviation of the waiting times experienced by patients in its minor
a survey from teenage research unlimited found that 30 of teenage consumers receive their spending money from part-time
a researcher conducted a study that examined the proportion of high school students who cheated on tests at least twice
Finding the right job List three specific features a company or employer would need to have to make you interested in working for it.
assume every bus in gainesville follows an exponential distribution with a mean of 7.5 minutes. from a bus stop we
One variable recorded is the count X of finish defects (dimples, ripples, etc) in the car's paint. Is it reasonable to use a binomial distribution?
What is a chi-squared test used for? What is the typical null and alternate hypothesis when doing a chi-squared test?
Compute the standardized slopes for SES and English ability; interpret them, and specify what additional information is learned from the standardized slopes that cannot be learned from the unstandardized slopes.
on the day that this project was written aol conducted an internet poll and asked users to respond to this question
Dimension reduction describes loss of precision. describes factor analysis. is an example of ANOVA. is a weight-loss program.
When performing a 2-way ANOVA with replication you must first: A) Perform an interaction hypothesis test B) Take out the error because you ran replicates and error makes no sense with replicates
Compare and contrast the advantages and disadvantages of a few facilities versus a large number of facilities worldwide.
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