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Just as we had 3 versions of the t-test (1 sample, 2 sample (with and without equal variance), and paired; we have several versions of ANOVA - single factor, factorial (called 2-factor with replication in Excel), and within-subjects (2-factor without replication in Excel). What examples (professional, personal, social) can you provide on when we might use each type? What would be the appropriate hypotheses statements for each example?
In what sense is this business problem? A societal problem? An individual problem?
What is the probability that a particular driver had exactly two speeding violations?
Given the same significance level, a ________ value of t will be required to reject the null hypothesis compared to the value of z required for rejection.
In this problem set you will get some practice performing hypothesis tests for two samples. If you use Statdisk to perform any portion of these analyses, please include the results, label them, and refer to them accordingly in your interpretations..
What is it that differentiates a binomial probability distribution from any other probability distribution? & The employees at a General Motors assembly plant are polled as they leave work.
The process standard deviation is .15, and the process control is set at plus or minus one standard deviation. Units with weights less than 9.85 or greater than 10.15 ounces will be classified as defects. Round your answer to four decimal places.
Use the Poisson distribution to find the indicated probabilities. Currently 11 babies are born in the village of West Point (population of 760) each year.
A random sample of stipends of teaching assistants in economics is listed below. Is there sufficient evidence at the alpha=.05 level to conclude that the average stipend different from $15,000? The data is listed below:
CCI is unable to adjust the mean of the filling process. However, it is able to adjust the standard deviation of the filling process.
A letter is drawn 1,000 times, at random, from the word A R AB I A. There are two offers. (A) You win a dollar if the number of A's among the draws is10 or more above the expected number. (B) You win a dollar if the number of B's among the drawsis 10..
The "Top Three" at a racetrack consists of picking the correct order of the first three horses in a race. If there are 10 horses in a particular race, how many "Top Three" outcomes are there?
The production manager wants to estimate the proportion of defective parts received from this supplier. She believes the proportion defective is no more than 0.15 and wants to be within 0.04 of the true proportion of defective parts with a 90% lev..
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