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Solve the following exercise using Excel only.
Micromedia offers computer seminars on a variety of topics. In the seminars each student works at a personal computer, practicing the particular activity that the instructor is presenting. Micromedia is currently planning a two-day seminar on the use of Microsoft Excel in statistical analysis. The projected fee for the seminar is $600 per student. The cost for the conference room, instructor compensation, lab assistants, and promotion is $9,600. Micromedia rents computers for its seminars at a cost of $60 per computer per day. Question: find the breakeven point for this problem using Excel. Indicate what the breakeven point is.
Solve the mean and standard deviation equations
If the city manager knows the average salary nationally is $38,300, which test of significance should be used? Why?
A state survey investigates either the proportion of 8percent for employees who commute by car to work is higher than it was five years ago.
A radio station wants to know if residents in their area are in favor of a proposed tax increase. They invite listeners to call in to respond to the poll. 645 of the 800 who responded were against the tax.
She then selects a sample of 102 football players and finds that their average math SAT is 460. Use alpha =.01 to perform the appropriate hypothesis test.
The hypothesis is to be tested at the 5% level of significance. The critical value from the table equals:
She has a history of being successful at getting a donor on 55 percent of her calls. If June has a quota to get at least four donors each day.
Find the probability that he will answer at least 3 questions correctly.
What is the approximate estimated bootstrap standard error of the median, What is the approximate bias of the median estimated from bootstrapping - What is the bootstrap t confidence interval for the median
Calculate (a) MAD, (b) MSE, and (c) MAPE for the following forecast versus actual sales figures.
Suppose among 312 large city residents sampled, 65 refused to cooperate. What is the margin of error at the 95% confidence level.
Mean threshold values and standard deviations for the three groups are given below. Normal probability plots showed the three populations were well approximated by the Normal distribution.
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