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An MBA program requires average GMAT score of more than 670 to be admitted. The XYZ., Inc. wants to know if the average GMAT score for the students who have taken their prep course meets the above standards. They have collected random samples of six GMAT scores of their students. The following scores were obtained:
500, 600, 700, 750, 700, 650.
a. Do you think the students who take the XYZ Prep Course meet the MBA requirement ? Use α = 0.025.
b. Find the p value of part a
Students revealed and average cost of books of $370 per student. The Dean of Students believes that cost are greater this semester. What is the test value for this hypothesis?
In 1992, the FAA conducted 86,991 pre-employment drug tests on job applicants who were to be engaged in safety and security relatd jobs and found that 1,143
Use the cumulative relative frequencies given in the previous exercise to compute the relative frequencies for each class interval
you are given the following information obtained from a sample of 5 observations taken from a population that has a
Suppose that your teammate has two siblings and two parents, for a family of size five. What is the probability that at least one of your teammate's family has the same birthday as yours, assuming their birth dates are all independent?
there are 10 aaa batteries in a box and 3 are defective. two batteries are selected without replacement. what is the
Why is good listening important for both the audience and speaker? Provide two real or hypothetical examples of situations in which good listening was not employed and analyze the examples using a listening checklist to illustrate what went wrong.
Illustrate how you would use this fact to calculate the fifth residual knowing only the values of the other four.
A large department store hired a researcher to compare the average purchase amounts for the downtown store with that of its mall store. The information shown was obtained.
What is the possible utility of this model relative to that formulated in Exercise?- Explain what the coefficient of the variable associated with the banking industry means.
In using Table B repeatedly to choose samples or do randomization for experiments, you should not always begin at the same place, such as line 110. Why not?
Proportions of defective chips are 4.0% and 6.0% respectively. Using a confidence level of 95%. Which statement is supported by data?
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