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Suppose you want to test the claim the the paired sample data given below come from a population for which the mean difference is ud=0.
x: 77 51 72 59 86 84 64y: 81 72 91 65 72 83 91
Use a .01 significance level to find the following:
The mean value of the differences for the paired sample data
(b) The standard deviation of the differences for the paired sample data
(c) The t test statistic
(d) The positive critical value
(e) The negative critical value
Find the probability that a) an individual graduate will have a salary over $45000 and b) A group of nine graduates will have a group average over $45000.
Test the given claim. Identify the null hypothesis, alternative hypothesis, test statistic, P-Value or critical value(s), conclusion about the null hypothesis, and final conclusion that addresses the original claim.
The manager of a package courier service believes that packages shipped at the end of the month are heavier than those shipped early in the month.
Based on this data, give a 95% confidence interval for the average MAO activity level of bulimic patients. Assume that the level of MAO activity is normally distributed.
a. Define variables that would tell how many units to purchase from each source. b. Develop an objective function that would minimize the total cost.
Experience raising New Jersey Red chickens revealed the mean weight of the chickens at five months is 4.35 pounds. The weights follow the normal distribution.
Briefly discuss probability distributions. What is a normal distribution? Please provide a written example of how 'understanding distribution' can be an asset for any business project.
Elizabeth Bailey is the owner and general manager of Princess Brides, which provides a wedding planning service in Southwest Louisiana.
Job Interviews: Based on information from MRINetwork, some job applicants are required to have several interviews before a decision is made. The number of required interviews and the corresponding probabilities are: 1 (0.09); 2 (0-31); (0.37); 4 (..
You are considering adding a new food product to your store for resale. Explain how many units of the new product should be purchased for resale.
In an effort to counteract student cheating, the professor of a large class created four versions of a midterm exam, distributing the four versions among the students in the class.
Make two different Factor Fireworks for 64 and 84. Write an equation that shows 64 as a product of prime numbers. Then use the equation to help find 54/16.
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