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Discussion
1-2 PARAGRAPHS
ANOVA is a hypothesis testing technique used to compare the equality of means for two or more groups; for example, it can be used to test that the mean number of computer chips produced by a company on each of the day, evening, and night shifts is the same. Give an example of an application of ANOVA in an industrial, operations, or manufacturing setting that is different from the examples provided in the overview. Discuss and share this information with your classmates.
The mean preparation fee H&R Block charged retail customers in 2012 was $183. Use this price as the population means and assume the population standard deviation of preparation fees is $50. a) What is the probability that the mean price for a sam..
For a normal distribution, the z-score boundary that separates the lowest 2.5% of the scores from the rest is z = -1.96
A department store manager has decided that dress code is necessary for team coherence
1. eithernbsp find a newspaper tv radio or web article that reports some scientific study or statistical analysis of
Tim is a plumber who joined a barter club. This year Tim exchanges plumbing services for a new roof. The roof is properly valued at $2,500, but Tim would have only billed $2,200 for the plumbing services. What amount of income should Tim reco..
Use the properties of this sampling distribution to find the probability of observing a sample mean greater than or equal to 42.95 when we assume that m equals 42.
How do you calculate multiple linear regression problems in excel?
Acme Manufacturing Company requires all of its 5000 employees to take a drug test. Suppose 2% of the employees actually use drugs (although the company does not know this number). The drug test is 95% accurate.
MA508 Business Statistics Assignment. You are required to produce an essay on "Use of Statistics." Apply knowledge of related statistical techniques
What is the average length of a company's policy book? Suppose policy books are sampled from 45 medium-sized companies. The average number of pages in the sample books is 213, and the population standard deviation of 48.
Describe two designs that can address your research question. The designs must involve two different statistical analyses. For each design, specify and justify each of the four factors (statistical test, effect size, alpha level and beta level) and c..
A typical adult has an average IQ score of 105 with a standard deviation of 20. If 20 randomly selected adults are given an IQ test, what is the probability that the sample mean scores will be between 85 and 125 points?
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