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In addition, what are some of the real world cautions related to statistical inference and hypothesis testing that managerial practitioners need to be aware of?
Joe Henderson runs a small metal parts shop. The shop contains 3 machines- a drill press, lathe, and a grinder. Joehas three operators, each a re certified to work on all three machines. However, each operator performs better on some machin..
The manger of a restaurant that delivers pizza to college dormitory rooms
What is the mean number of ducks that are killed and what is the expected number of hunters who hit the duck they aim at?
What is the probability of rolling a four in the gambling dice game of craps and What is the probability that a player can roll a four 3 times in a row - In a pilot study evaluating the use of a new drug to lower resting heart rates (HR) of patient..
A marketing analyst in a large grocery store chain
A population proportion is to be estimated. Estimated the minimum sample size needed to achieve a margin of error E=0.01 with a 95% degree of confidence.
a. If n=8 for both samples, find each of the sample variances, and calculate the pooled variance. Because the samples are the same size, you should find that the pooled variance is exactly halfway between the two sample variances.
Bay Area university enrolled mba students in three cohorts programs:weeknight, Saturday, and distance. Dean Ed Epstein wants to know if there is a difference in the average of the students in the three programs. State null hypothesis
Explain the bias and sampling error
A statistics instructor developed a special teaching method to reduce students' boredom in class. (Not that students are ever bored in statistics). It is known from previous research that on a scale of 0 to 100 (0 = not at all bored, 50 = kind..
You need to do interpretation these three tables in single page
The result is a sample size beyond what you can obtain
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