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1. Can you think of an example where the analysis of variance (ANOVA) can be used? How is ANOVA being used in the workplace, or how should it be used?
2. Analysis of variance (ANOVA) is used to determine if there is a difference between the means of different populations. This is an example from a student in Prescott Arizona.A company was trying to sell her the feed they produced by aiming that if her hens ate their feed, the hens would produce more eggs. They offered her a study to read in which they demonstrated that their feed was the best. To support this, they conducted an experiment in which they fed four different types of food, including their own, to groups of hens. They wanted to show that on average hens that ate their food produced more eggs. They used analysis of variance. Can you think of a business-related example in the financial industry? can you think of any specifically related to operations management?
2. What are the differences between one-way and two-way ANOVA?
4. What are examples in which non-parametric tests are used to analyze business related problems in general, and more specifically, problems related to marketing?
5. How should surveys be constructed to facilitate collecting data to perform non-parametric tests?
you are testing whether there is a significant difference in the proportions of college students and similar aged non college students having accidents during the two year period. What is the value of your pooled proportion?
What percentage of items will weigh between 6.4 and 8.9 ounces?
One of the major measures of the quality of service provided by any organization is the speed with which responds to customer complaints. A large family-held department store selling furniture and flooring, including carpet, had undergone a major ..
A researcher conducts some research in which they identify a significant positive correlation (r =0.42) between the number of children a person has and their life satisfaction. Which of the following is it inappropriate to conclude from this resea..
MATH1550H: Assignment: Question: what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?
Is it true that one of the important properties of time series models is that some sort of pattern in the data over time should be detected first and then used within the model?
Test whether the mean weight is greater than 16 ounces with P-value approach.
Employees of a local university have been classified according to gender and job type. The following table provides data about the employees.
Show the sampling distribution of line over x where line over x is the sample mean annual cost of automobile insurance.
Suppose x follows a distribution with density function: f(x)=C*abs(x-2), 0 =
The following confidence interval is obtained for a population proportion, p:(0.458, 0.490). Use these confidence interval limits to find the point estimate, p-hat.
Calculate the standard deviation for this data = since it is a case of grouped data with classes. use group or class midpoints in the formula in place of x values.
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