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(a) Discuss various types of two dimensional diagrams. Explain with Ex., how these are prepared?
(b) Distinguish between Natura.I scale and Ratio Scale What are the methods of constructing graphs on ratio scale? How do you interpret graphs on ration scale? In which cases should ration scale the used?
an automobile manufacturer would like to know what proportion of its customers are dissatisfied with the service
To find out the prior probability, conditional probability and posterior probability. Calculate the posterior probability that the bid will be successful given a request for additional information.
In a transportation problem with 5 supply points, 3 demand points, and total supply equaling total demand, the number of decision variables will be:
What are the mean and standard deviation of the proportions of random samples of 400 motorcylce owners who own Harleys?
Determine the expected frequencies for each of the cells in the following contingency tables. For each problem, state how many of the expected values actually had to be computed and how many could be found by subtraction.
classified ads in a newspaper offered 15 used cars of the same make and model for sale. a regression analysis was
a 2012 gallup poll surveyed americans about their employment status and whether or not they have diabetes. the survey
Assume that two samples are independent simple random samples selected from normally distributed populations. Use a 0.05 significance level to test the claim that male and female biology students speak the same mean number of words in a day.
Using the 0.01 level of significance, is there evidence that the mean shopping time at the supermarket is different from the claimed value of 22 minutes?
The main part of the ACS contacts 250,000 addresses by mail each month, with follow-up by phone and in person if there is no response. Each household answers questions about their housing, economic, and social status. What is the Population.
a chi-square test for goodness of fit is used in a situation with n 60 subjects distributed over three categories. the
chicken delight claims that 77 percent of its orders are delivered within 10 minutes of the time the order is placed. a
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