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Help with the following business question.
What is the Coefficient of Correlation between square footage and listing price?
Does your Coefficient of Correlation seem consistent with your answer to #2 above? Why or why not? What proportion of the variation in listing price is determined by variation in the square footage? What proportion of the variation in listing price is due to other factors?
Is this experiment collectively exhaustive? Explain.
Pilot sample of 30 items indicates a sample standard deviation of 900. Determine the required sample size if the confidence level is 90%.
What per visit price must be set for the service to break-even? To earn an annual profit of $100.000 and repeat Part a. but assume that the variable cost per visit is $10.
a sample has a mean of 120 and a standard deviation of 20.0. find the value x that corresponds to each of these
Explain why it is not appropriate to perform a formal inference procedure and yet it is still reasonable to conclude that the incidence rate is higher for gulf war veterans than for those who did not serve in the gulf war.
What is the probability of Two ones in 2 rolls of a die and Three tails in 3 ?ips of a coin?
Draw the tree diagram for experiment and complete the table below that represents the probabilities for each of the values that the random variable X will asume.
In a sample of 60 mice, a biologist found that 46% were able to run a maze in 30 seconds or less. Find the 99% limit for the population proportion of mice who can run that maze in 30 seconds or less?
suppose that two cards are drawn simultaneously from a standard 52-card poker deck. let a be the event that both are
questions1. compare and contrast internal and external validity. describe and give examples of research questions for
What extremely important characteristic of the data set is not considered in the hypothesis test?
the number of flaws in a fiber optic cable follows a poisson process with an average of 0.6 per 100 feet.a find the
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