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Fairfield Homes is developing two parcels near Pigeon Fork, Tennessee. In order to test different advertising approaches, it uses different media to reach potential buyers. The mean annual family income for 16 people making inquiries at the first development is $154,000, with a standard deviation of $36,000. A corresponding sample of 28 people at the second development had a mean of $182,000, with a standard deviation of $28,000. Assume the population standard deviations are the same.
the comfort widget company makes several different sized widgets. the smallest widget the company manufactures has a
They want you to determine what the data indicate about this.In this problem I am having an issue trying to determine what equation to use to solve. Is this a one or two way ANOVA or should I just use a z-test to solve?
what do we mean when we say that a statistical result is significant? what is the difference between a statistically
Construct a distribution to represent the population such that the survey result above may be seen as a sample from the population.
to use a paired t confidence interval to estimate the population mean difference in responses or to perform a paired t
The "Top Three" at a racetrack consists of picking the correct order of the first three horses in a race. If there are 10 horses in a particular race, how many "Top Three" outcomes are there?
Do you think an F-ratio of 1 would lead you to conclude that there is no treatment effect? Why? Justify your answers with examples.
art, French, and mathematics. He chooses art with probability 5/8, French with probability 5/8, and art and French together with probability 1/4. What is the probability that he chooses mathematics?
The proportion of the American population that has disease Z is p=0.02. If 60 people are randomly selected from the population, what is the probability that at least 1 of them has disease Z?
A person is planning on saving money according to a rigid savings schedule. Saving plan A is to make an initial deposit of $400 and then deposit $20 per month into the account.
A researcher used stepwise regression to create regression models to predict Birthrate (births per 1000) using five predictors:
Assume that each of the following studies cannot be analyzed using a parametric procedure. For each of the following studies (below), indicate the appropriate nonparametric procedure, and explain why you chose it.
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