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Which of the following is not an assumption for one-way analysis of variance?
The p populations of values of the response variable associated with the treatments have equal variances.
The samples of experimental units associated with the treatments are randomly selected.
The experimental units associated with the treatments are independent samples.
The number of sampled observations must be equal for all p treatments.
The distribution of the response variable is normal for all treatments.
The proportion of 25-29 year olds who are smokers is 0.032
a cell phone service provider has selected a random sample of 20 of its customers in an effort to estimate the mean
With a mean of 805 pairs of jeans and a standard deviation of 207 pairs. What is the probability that the company will make a profit each month?
1. thirty eight percent of young adults say they use credit cards because of the rewards program. seven young adults
Report a table of marginal means for each level of each of the three factors.
During the period of time that a local university takes phone-in registrations, calls come in at the rate of one every two minutes.
The mean of major student taking the GRE test in 2010 was 1000 with a standard deviation of 230. if you select a random sample of 75 students, what is the probabbility that the mean score is below 950?
Explain how much should the airport authority be willing to pay for perfect information about the success of a brand new airport.
XYZ car rental company determined that the distance traveled per car per year is normally distributed with a standard deviation of 645 miles. If 12% of the cars travel more than 55,000 miles, what is the mean distance traveled per year?
The distribution is normal. The mean numbers of trials to learn maze for the group with the colrful wallpaper is 11. What is the standard deviation of the distribution of means?
a consumer survey is trying to assess how much bad food is being purchased. bad foods are categorized into two types
A demonstration to verify that an item meets its reliability requirement is based on obtaining 5 successful tests. If the probability of a successful test is 0.9, find the probability that 10 tests will be required to pass the demonstration.
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