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Summary data on ratings of patient satisfaction and importance for the survey item "waiting time prior to being seen by a physician" is shown in given Table for a total of 400 patients. Perceived satisfaction was rated on a Likert scale from 1 to 5, while importance was also rated on a Likert scale from 1 to 5 using the nomenclature discussed.
Determine if the categorical variables "satisfaction rating" and "importance rating" are independent using a level of significance of 5%.
question 1 a recent national survey asked adults if they thought the government should continue to fund nasas efforts
suppose that you work for the child social services agency in your county. your job is to investigate instances of
an experiment consists of tossing six fair coins. determine the probability density and cumulative distribution
an investigator wants to show that first-born children score higher on iq tests than second-borns. he takes a simple
Demands for an item are part of a poisson process and are made on a warehouse 3 times per day. What is the probability that on a given day this item is requested:
Each month, the U.S. census bureau mails survey forms to 250,000 U.S. households asking questions about the people living in the household and about such things as motor vehicles and housing costs. Telephone calls are made to households that don't..
consider the experiments first draw a poisson random variable n with parameter ?. then perform n independent bernoulli
A company that manufactures precision special-alloy steel shafts claims that the variance in the diameters of shafts is no more than 0.0003. A random sample of 10 shafts gave a sample variance of 0.00027. At the 5% level of signi?cance, test wheth..
consider a random sample of size n from a bernoulli distribution xi bin1p. for a uniform prior density p unif01 and
what is the probability that a rearrangement of the word tennessee starts with all four es as the first four
A study looked into the management of various tropical grasses for improved production, measured as dry matter yield in hundreds of pounds per acre over a 54-week study period.
the results from two factor experiment can presented in a matrix with levels if one factor forming the rows and the
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