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For each of the following, indicate whether the variable is ordinal or not. If the variable is not ordinal, indicate its variable type.
a. Opinion about a new tax law (favor or oppose).
b. Letter grade in a statistics course (A, B, and so on).
c. Heights of men (in inches).
reginald brown an inspector from the department of weights and measures weights 15 eighteen ounce cereal boxes of corn
Assuming normality of distribution of yield rates, if senior management has set a goal of 9% for yield, what is the lower capability index? In what proportion of the time will the goal be met?
the random variable x has a poisson distribution with mean 40. give an approximate value of the probability p 37 less
Explain the difference between a left-tailed, two-tailed, and right-tailed test with examples from your own experience for each.
Customers enter the waiting line at a cafeteria on a first-come, first-served basis. The arrival rate follows a Poisson distribution, while service times follow an exponential distribution.
which of the following is not a decision variable when formulating the project crashing problem as a linear program?the
Which of the following would be the hypothesis for testing the claim that the proportion of students at a large university who smoke is significantly different from 0.15?
table given below presents the number of surface finish defects in the primer paint found by visual inspection of
the following table shows bobs bookstores estimated demand for a new calendar. the bookstore needs to decide whether to
A device has a sensor connected to an alarming system. The sensor triggers with probability 0.95 if dangerous conditions exist in a given day and with probability 0.005 if conditions are normal during the day. Days with dangerous conditions occur ..
the xyz manufacturing company makes a special metal bracket that costs 10 per unit.xyz makes 20000 units per day on its
Write the null and alternative hypotheses and calculate the test statistic, determine the critical value whether or not there has been an improvement.
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