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Develop two-null hypothesis tests to ascertain if there are any statistical variances in the averages of bus route times and any statistical variance among the average performance of the bus drivers. Use the following information to conduct the test:
The three bus routes are the treatments.
The three bus drivers are the blocks.
The common element is driving time.
Route 1 TimeRoute 2 TimeRoute 3 Time
Driver 124 minutes21 minutes27 minutes
Driver 228 minutes27 minutes25 minutes
Driver 318 minutes13 minutes19 minutes
An experiment was carried out to assess the effects of four tomato varieties and four planting densities on yield. There were 64 plots, and each of the 16 factor combinations was randomly assigned to 4 plots
The probability is 1 in 4,000,000 that a single auto trip in the United States will result in a fatality. Over a lifetime, an average U.S. driver takes 50,000 trips. (a) What is the probability of a fatal accident over a lifetime? Describe your re..
They both want to know what family member typically does the research about possible honeymoon destinations, and who primarily makes the decision on selecting the destination.
A study of elephants is conducted to determine the average weight of a certain subspecies of elephants. The standard deviation for the population is 500 pounds.
An unprepared student takes a three-question, true/false quiz in which he guesses the answers to all three questions, so each answer is equally likely to be correct or wrong.
What is the probability an applicant does not pass the test and is a sucessful manager?
Utilizing Excel data analysis calculate t distribution also deduce the result. Study of variance is used to investigate if there is a difference in the mean mileage of the three cars.
Does the sample show sufficient reason to conclude that the population standard deviation is not equal to 8 at the 0.05 level of significance?
what percent of the total number of seeds germinated?
Make a point estimate of the population mean difference in endurance after taking the herbs. Make a 95% confidence interval estimate of the population mean difference.
The management of a department store is interested in estimating the difference between the mean credit purchases of customers using the store's credit card versus those customers using a national major credit card.
One box contains five red and six black marbles. A second box contains 10 red and five black marbles. One marble is drawn from box 1 and placed in box 2.
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