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To test whether there is a significant mean difference among the three.
The Course Manager for AMBA 601 wants to use a new tutorial to teach the students about business ethics. As an experiment she randomly selected 15 students and randomly assigned them to one of three groups which include either a PowerPoint presentation created by the faculty, AuthorGen Presentation created by the faculty, or a well known tutorial by the ABC company. After completing their assigned tutorial, the students are given a Business Ethics test. At the .05 significance level, can she conclude that there is a difference between how well the different tutorials work for the students?
Students Grades on the Business Ethics Test following the Tutorial:
PowerPoint Tutorial
AuthorGen Tutorial
ABC Tutorial
65
79
71
85
86
83
90
82
75
87
91
81
What can we conclude from this summary, Which of the following statements is correct and In which of the following situations would permutation tests be suitable
At the .05 significance level, can she conclude that there is a difference in the mean amount of weight loss among the three diets?
CASE STUDY: Are the Fish Safe to Eat? Assessing which Factors affect Mercury Levels in Fish in Maine Lakes.
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Suppose you are given a grant to run a controlled experiment. Explain how you would structure the experiment in order to estimate the casual effect of hours on sat.
The Pearson Product-Moment Correlation Coefficient (r) is a measure of linear relationship between two variables.
Given 7 male individuals in a Physical Education course, the number of sit ups each individual can do in a one minute period was recorded:
The scores of college-bound senior men on the math part of the SAT followed a normal distribution with mean 527 and standard deviation 116.
Use frequency distribution to create a probability distribution, determine the (b) mean,(c) variance.
Which is the probability that the median of the sample is between $17 and $20?
The ages of cars owned by all employees of a large company have a bell shaped distribution with a mean of 8 years and a standard deviation of 2 years. Using the empirical rule, find the approx. percentage of cars (owned by those employees) that are b..
You find that a random sample of five microwave ovens has a mean repair cost of $75 and a standard deviation of $12.50. At α = 0.01, do you have enough evidence to support the repairer's claim?
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