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The performance of quality inspectors affects both the quality of outgoing products and the cost the products. A product that passes inspection is assumed to meet quality standards; a product that fails inspection may be reworked, scrapped, or reinspected. Quality engineers at Westinghouse Electric Corporation evaluated performances of inspectors in judging the quality of solder joints by comparing each inspector's classifications of a set of 153 joints with the consensus evaluation of a panel of experts. The results for a particular inspector are shown in the table.
What is the probability that neither the inspector nor the committee judge the joint to be acceptable?
If the city manager knows the average salary nationally is $38,300, which test of significance should be used? Why?
according to the national institute on alcohol abuse and alcoholism niaaa and the national institutes of health nih 41
Solve the following problems in essay form (1 to 2 paragraphs for each problem is fine). Please show all work and show how you came up with the answer.
What is the purpose of a survey? What are three examples of a survey and what potential purpose could each be used for? How can one work to ensure the participants of a survey will have their responses kept private?
nick happens to be an amateur statistician in his free time. to get an idea of the popularity of sports cards he does a
What is the probability that the variable will take the value 2? What is the mean of the distribution?
air quality is measured by the concentration of a dangerous pollutant. the major of the city has engaged in a program
(a) Give a 95% confidence interval for the mean ARSMA score of Mexicans. (b) What assumptions does your condence interval require?
The makers of a soft drink want to identify the average age of its consumers. A sample of 16 consumers is taken. The average age in the sample was 22.5 years with a standard deviation of 5 years.
Find the probability that 10 customers will arrive in a particular 15-minute period. Set up the mathematical model and use the table.
an instructor for a stat class of 250 students decided that she was going to curve the exam grades if the average is
Explain a scenario associated to final project in which you would utilize repeated-measures ANOVA. Explain a scenario associated to final project in which you would use MANOVA.
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