Math 534 homework - Study guides, Class notes & Summaries
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MATH 534 Week 1 Homework Problems
- Other • 7 pages • 2023
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1.	Question: Suppose you are an operations manager for a plant that manufactures batteries. Give an example of how you could use descriptive statistics to make better managerial decisions. Give an example of how you could use inferential statistics to make better managerial decisions.Say whether this or that example describes the use of descriptive or inferential statistics. 
2.	Question: Classify each of the following as nominal, ordinal, interval, or ratio data. 
3.	Question: For the following...
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MATH 534 Week 6 Homework Problems (v1)
- Exam (elaborations) • 5 pages • 2023
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1.	Whichofthefollowingisnotanassumptionoftheregressionmodel? 
2.	Supposeforagivendatasettheregressionequationis:y=54.78+1.45x, and the point (0.00, 24.78) is in the data set. The residual forthispointis	. 
3.	If the standard error of the estimate for a regression model fitted toalargenumberofpairedobservationsis1.75,approximately68%oftheresidualswouldliewithin	. 
4.	Foraregressionmodely=30−2x,thecoefficientofdeterminationwasdeterminedasequalto0.81.Thecoefficientofcorrelationis
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MATH 534 Week 6 Addendum; Homework-Quiz Review
- Other • 6 pages • 2023
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1.	Question: You can skip #16 in the homework and #9 and #10 in the quiz. Everyone will be given credit. The problems look something like this: 
2.	Question: Review definitions and concepts in the notes. 
3.	Question: We are developing a regression model to predict weight as function of height. 
a.	What is the explanatory variable (independent variable)? 
b.	What is the response variable (dependent variable)? 
4.	Question: In the following regression: ŷ = 27.7 + 3.25x 
a. What is the slope?...
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MATH 534 Week 6 Homework Problems
- Other • 6 pages • 2023
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MATH 534 Week 5 Homework Problems Version 1 Keller Devry University
- Other • 5 pages • 2023
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MATH 534 Week 3 Homework Problems (v1)
- Exam (elaborations) • 5 pages • 2023
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Scores on a certain exam are normally distributed withameanof90and a variance of 25.What is the z-value for as coreof80? 
 
Scoresonacertainexamarenormallydistributedwithameanof90andavarianceof25.Whatistheprobabilityofobtainingascorelessthan80? 
 
Whichoneofthefollowingisnotacharacteristicofanormaldistribution?
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MATH 534 Week 1 Addendum; Homework-Quiz Review
- Other • 6 pages • 2023
- Available in package deal
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1.	Question: Is each item below an example of descriptive or inferential statistics? 
2.	Question: In each case, identify the type of data (or level of data): 
3.	Question: For the following frequency distribution: 
4.	Question: Assuming that the dataset 17, 15, 3, 22, 11, 7, 9 is a sample. 
5.	Question: The amount of time it takes a person to get ready for work has a bell shaped distribution. The average is 45 minutes and the standard deviation is 10 minutes. 
6.	Question: The range of a given ...
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MATH 534 Week 5 Homework Problems
- Other • 5 pages • 2023
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1.	Question: In hypothesis testing the statistical conclusion is either to reject or not to reject the null hypothesis based on the sample data. Which of the following statements is true? 
2.	Question: If a company wants to prove that the proportion (p) of its revenues from overseas operations is more than 18%, the null and alternate hypotheses are __________. 
3.	Question: A test of the hypotheses, H0: p = 0.18 and H1: p > 0.18 is a _____________. 
4.	Question: The dean of a business school ...
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MATH 534 Week 6 Homework Problems
- Other • 6 pages • 2023
- Available in package deal
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- $25.39
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MATH 534 Week 6 Addendum; Homework-Quiz Review
- Other • 6 pages • 2023
- Available in package deal
-
- $25.49
- + learn more
1.	Question: You can skip #16 in the homework and #9 and #10 in the quiz. Everyone will be given credit. The problems look something like this: 
2.	Question: Review definitions and concepts in the notes. 
3.	Question: We are developing a regression model to predict weight as function of height. 
a.	What is the explanatory variable (independent variable)? 
b.	What is the response variable (dependent variable)? 
4.	Question: In the following regression: ŷ = 27.7 + 3.25x 
a. What is the slope?...
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