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1. Can you think of an example where analysis of simple-linear and multiple regression analysis can be used? How is regression analysis being used in the financial industry, or how should it be used to formulate strategies?
2. What are examples in which regression analysis is used for forecasting?
3. What is correlation analysis? How can correlation analysis be used in a business decision or examples specifically related to strategy formulation and implementation?
4. What are some primary and secondary sources of data that may be used in correlation and regression analysis?
5. What is the difference between correlation and causation? Give examples
The sampling distribution of the average score and Suppose x' is your average pay for the 100 weeks. Then x' has approximately
A sample of 19 albino Hungarian banded aardvarks was examined for nose length. Since this is a small sample, how various degrees of freedom will be used to find the t-score.
Find the probability of a Type II error if in fact the mean waiting time is actually 9.8 minutes.
For population with mean of µ=60 and a standard deviation of s=24. Determine the z score corresponding to each of following samples.
Modify (change) your sample size to 18600. Construct a new 95% Confidence Interval.
The manager of Sandy Corporation wants to determine whether or not the type of work schedule for her employees has any effect on their productivity. She has selected 15 production employees at random and then randomly assigned 5 employees to each ..
Given the following data on Asian and European Share of U.S. Light Truck Sales(1990-2003): Which trend model is best, and why? If none is satisfactory, explain.
A description of a Pew Research Center poll referred to "the random generation of the last two digits of telephone numbers." Each digits has the same chance of being randomly generated. Construct a table representing the probability distribution f..
In multi-choice test, each question has four options. Students wil get 10 points for each correct answer; lose four points for each incorrect answer; and receive no points for unanswered questions.
Any analysis required to check the required conditions (note that if you find that you cannot meet the required conditions for the test you expected to do, you must use the appropriate non-parametric test)
Comparing the results from (a) and (e), what happens to the required sample size when we increase the confidence level?
Construct three scatter plots for: (1) percentage alcohol versus calories, (2) percentage alcohol verses carbobydrates, and (3) calories versus carbohydrates
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