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MATH 534 Homework Problems Week 1 - 7 (Package Deal)
MATH 534 Homework Problems Week 1 - 7 (Package Deal)
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MATH 534 Week 1 Homework Problems
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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 thi...
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Add to cart1. 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 thi...
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MATH 534 Week 2 Homework Problems
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1. Question: If the occurrence or non occurrence of one event does not affect the occurrence or non occurrence of another event, the two events are ___________ . 2. Question: In any statistical experiment if the occurrence of one event precludes the occurrence of the other events, the events of the...
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Add to cart1. Question: If the occurrence or non occurrence of one event does not affect the occurrence or non occurrence of another event, the two events are ___________ . 2. Question: In any statistical experiment if the occurrence of one event precludes the occurrence of the other events, the events of the...
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MATH 534 Week 3 Homework Problems (v1)
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1. Question: Scores on a certain exam are normally distributed with a mean of 90 and a variance of 25. What is the z-value for a score of 80? 2. Question: Scores on a certain exam are normally distributed with a mean of 90 and a variance of 25. What is the probability of obtaining a score less than...
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Add to cart1. Question: Scores on a certain exam are normally distributed with a mean of 90 and a variance of 25. What is the z-value for a score of 80? 2. Question: Scores on a certain exam are normally distributed with a mean of 90 and a variance of 25. What is the probability of obtaining a score less than...
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MATH 534 Week 3 Homework Problems
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1. Question: Scores on a certain exam are normally distributed with a mean of 90 and a variance of 25. What is the z-value for a score of 80? 2. Question: Scores on a certain exam are normally distributed with a mean of 90 and a variance of 25. What is the probability of obtaining a score less than...
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Add to cart1. Question: Scores on a certain exam are normally distributed with a mean of 90 and a variance of 25. What is the z-value for a score of 80? 2. Question: Scores on a certain exam are normally distributed with a mean of 90 and a variance of 25. What is the probability of obtaining a score less than...
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MATH 534 Week 4 Homework Problems
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1. Question: A random sample of 100 selected from a population with a standard deviation of 10 yielded a mean = 225. The mean and the standard deviation of the distribution of the sample means are __________. 2. Question: Suppose a random sample of 49 is selected from a population of size N = 500 w...
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Add to cart1. Question: A random sample of 100 selected from a population with a standard deviation of 10 yielded a mean = 225. The mean and the standard deviation of the distribution of the sample means are __________. 2. Question: Suppose a random sample of 49 is selected from a population of size N = 500 w...
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MATH 534 Week 5 Homework Problems
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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 mo...
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Add to cart1. 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 mo...
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MATH 534 Week 5 Homework Problems
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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 mo...
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Add to cart1. 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 mo...
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MATH 534 Week 6 Homework Problems
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1. Question: Which of the following is not an assumption of the regression model? 2. Question: Suppose for a given data set the regression equation is: y = 54.78 + 1.45x, and the point (0.00, 24.78) is in the data set. The residual for this point is _________. 3. Question: If the standard error of...
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Add to cart1. Question: Which of the following is not an assumption of the regression model? 2. Question: Suppose for a given data set the regression equation is: y = 54.78 + 1.45x, and the point (0.00, 24.78) is in the data set. The residual for this point is _________. 3. Question: If the standard error of...
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MATH 534 Week 7 Homework Problems
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1. Question:Arealestateanalysthasdevelopedamultipleregressionline,y=60+0.068x1–2.5x2,topredicty=themarketpriceofahome(in $1,000s),usingindependentvariables,x1=thetotalnumberofsquare feetoflivingspace,andx2=theageofthehouseinyears.The regressioncoefficientofx2suggeststhis: _____. 2. Question:Thef...
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Add to cart1. Question:Arealestateanalysthasdevelopedamultipleregressionline,y=60+0.068x1–2.5x2,topredicty=themarketpriceofahome(in $1,000s),usingindependentvariables,x1=thetotalnumberofsquare feetoflivingspace,andx2=theageofthehouseinyears.The regressioncoefficientofx2suggeststhis: _____. 2. Question:Thef...
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