Description
Instructions: Find dy/dx
1. sqrt(xy)=1+x²y
2. y=x^[sqrt(x)]
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Explanation & Answer
lternate forms:
Alternate form assuming x and y are positive:
Alternate form assuming x and y are positive:
Integer solutions:
Solutions for the variable y:
Implicit derivatives:
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CSU Week 3 Normal Distributions Questionnaire
Problems need to include all required steps and answer(s) for full credit. All answers need to be reduced to lowest terms ...
CSU Week 3 Normal Distributions Questionnaire
Problems need to include all required steps and answer(s) for full credit. All answers need to be reduced to lowest terms where possible. If the answer is in %, show two decimal places.Answer the following problems showing your work and explaining (or analyzing) your results. Submit your work in a typed Microsoft Word document.The average score of a statistics class was 71 with a standard deviation of 8.What is the z score of a student with a grade of 68? (2.5 pts)What is the z score of a student with a grade of 80? (2.5 pts)Using the same data in #1 answer the following:Approximately 68% (one standard deviation) of the scores are between ________ and _________ (2.5 pts)Approximately 95% (two standard deviation) of the scores are between _________ and _________ (2.5 pts)Most values of the standard normal distribution are between __________. (3 pts)-3 and 30 and 10 and 31 and 3(a) If the standard deviation of a data set is 1.3, what is the variance? (2.5 pts)(b) If the variance is 36, what is the standard deviation? (2.5 pts)Let X have a normal distribution with mean µ= 20 and standard deviation σ = 4. Determine the area in the normal curve for which:P (X > 28) (2.5 pts)P (X > 12) (2.5 pts)P (X > 24) (2.5 pts)The IQ scores of students listed below are from a SAMPLE of MATH 300 class.
IQ Scores921101059612010090981109510299931191061039110197105What is the mean IQ score? Round to the nearest whole number. (2.5 pts)Compute the IQ scores within plus/minus one standard deviation? Two answers. Round to the nearest whole numbers. (2.5 pts)Compute the IQ scores within plus/minus two standard deviation? Two answers. (2.5 pts)Let X have a normal distribution with µ= 10 and standard deviation σ= 2. Transform X to the standard normal form Z and match the following probability statements:a) P(X>14) 1) P(Z<-1)b) P(X<8) 2) P(-2 < Z < 2)c) P(6 < X < 14) 3) P(Z > 2)a) is matched to ___________ (2.5 pts)b) is matched to ___________ (2.5 pts)c) is matched to ___________ (2.5 pts)Let X have a normal distribution with mean µ= 30 and standard deviation σ= 10. Calculate P(X>40). Round to two decimal places. (4 pts)For a standard normal variable Z, compute P(Z<1.5). Round your answer to two decimal places. (3 pts)A larger standard deviation of a normal distribution indicates that the distribution becomes (2.5 pts)
narrower and more peakedflatted and widermore skewed to the rightmore skewed to the left
Strayer University Week 8 Mortgage Approval Time Study Case Study Paper
Case Study 2: Mortgage Approval Time StudyDue Week 8 and worth 190 points Read the following case study:A major financial ...
Strayer University Week 8 Mortgage Approval Time Study Case Study Paper
Case Study 2: Mortgage Approval Time StudyDue Week 8 and worth 190 points Read the following case study:A major financial services company wishes to better understand its mortgage approval process. In particular, the company is interested in learning about the effects of credit history (good versus fair), the size of the mortgage (<$500,000 versus >$500,000), and the region of the United States (western versus eastern) on the amount of time it takes to get a mortgage approved. The database of mortgages approved in the last year is accessed, and a random sample of five approved mortgages is selected for each of the eight combinations of the three variables. The data are shown in the tableMortgage Approval Time Study Credit History Mortgage Size Region Approval Times (Days)Good <$500,000 Western 59 50 64 62 47Fair <$500,000 Western 81 58 69 65 74Good >$500,000 Western 38 52 58 60 65Fair >$500,000 Western 146 159 133 143 129Good <$500,000 Eastern 28 26 38 41 21Fair <$500,000 Eastern 42 53 40 50 64Good >$500,000 Eastern 49 31 49 42 38Fair >$500,000 Eastern 106 115 126 118 138First, conduct an analysis using the following steps:Use the data shown in the table to conduct a design of experiment (DOE) in Microsoft Excel in order determine the nature and magnitude of the effects of the three variables on mortgage approval times. What are the key drivers of this process?Determine the graphical display tool (e.g., Interaction Effects Chart, Scatter Chart, etc.) that you would use to present the results of the DOE that you conducted in Question 1. Provide a rationale for your response. Assess the data sampling method. Our sample contained only five mortgages per combination. Under what circumstances would it have been appropriate to select a larger sample? Is a sample of five mortgages adequate to access the relative magnitudes of the effects of the variables? What sample size would you recommend? What could you learn from a larger sample size? (Hint: Look back at chapter 2, 3, 5, and 6 for discussion of sampling.)Provide other variable responses that might be of interest to measure and study. (Hint: If you were getting a mortgage or a loan, what are the two and most important measures of the process you would have to go through?)Propose one overall recommendation to the financial services company, based on the DOE, that could help reduce mortgage approval times.Use http://research.strayer.edu to identify at least two (2) quality references to support your discussion. Note: Wikipedia and other Websites do not qualify as academic resources.Second, create a PPT presentation to communicate the data analysis you completed. Your presentation must follow these formatting requirements:A PPT presentation with at least 10 slides that include the answers to questions 1 through 5. A reference slide which follows APA format. Check with your professor for any additional instructions.Formatting of the slides should be consistent and easy to read. Cover slide containing the title of the assignment, the student's name, the professor's name, the course title, and the date.Note: The cover slides and the reference slides are not included in the required assignment slides length.The specific course learning outcome associated with this assignment is:Develop recommendations to improve business processes, using statistical tools and analysis.
i have the answer i just cant get the steps
A bank loaned out $66000, part of it at 9% per year and the rest at 4% per year. If the interest received was $4190, how m ...
i have the answer i just cant get the steps
A bank loaned out $66000, part of it at 9% per year and the rest at 4% per year. If the interest received was $4190, how much was loaned at 9%?
Week 7 Assignment1: Repeated Measures ANOVA in SPSS
To prepareReview the datasets provided.Construct a research question based on one of those datasets.Pay attention to the a ...
Week 7 Assignment1: Repeated Measures ANOVA in SPSS
To prepareReview the datasets provided.Construct a research question based on one of those datasets.Pay attention to the assumptions of this test, and ask, “Does it make sense to interpret the mean of this dependent variable?”By Day 7The AssignmentUse SPSS to answer the research question you constructed. Then, compose a 1- to 2-paragraph analysis in APA format in which you answer the following questions:What is the null hypothesis for your question?What research design(s) would align with this question?What dependent variable was used and how is it measured?What independent variable is used and how is it measured?If you found significance, what is the strength of the effect?What is the answer to your research question?What are the possible implications of social change?Be sure to include your data output with your analysis. See page 996 in your Warner textbook for an excellent APA-compliant write-up of a repeated-measures ANOVA.
Calculate in Excel... Car Lot Inventory
You manage the inventory for a car dealership. Your management would like you to review current inventory on the dealershi ...
Calculate in Excel... Car Lot Inventory
You manage the inventory for a car dealership. Your management would like you to review current inventory on the dealership lot.Review the Week 2 Data Set. ***Attached***Create and calculate the following in Excel®:Create a Pie Chart which summarizes colors of the cars in the sample.Create a Bar Chart which summarizes the frequency of the models of the cars in the sample.Create a Frequency Table for classes of MPG, including Frequency and Relative Frequency for the cars in the sample.Calculate the mean Days in Inventory for the cars in the sample. Compare that to the median and the mode. Highlight the value that would be a better representation of the "typical" price of a car in inventory?Calculate the standard deviation of the Days in Inventory for the cars in the sample. Calculate the 5 number summary for the suggested
retail prices of the cars in the sample. This consists of the 1st, 2nd,
3rd, 4th quartile and the IQR.
Miami Dade College COVID 19 Spurious Correlation Statistics Discussion
You may have heard it said before that “correlation does not imply causation.” This can also be called spurious correl ...
Miami Dade College COVID 19 Spurious Correlation Statistics Discussion
You may have heard it said before that “correlation does not imply causation.” This can also be called spurious correlation, which is defined as a correlation between two variables that does not result from a direct relationship between them. Instead, it results from the variables’ relationship to other variables. One example is the relationship between crime and ice cream sales. Ice cream sales and crime rates are highly correlated. However, ice cream sales do not cause crime; instead, it is both variables’ relationship to weather and temperature.
Do some research and find some interesting, or even funny, examples of spurious correlation. Why is this an example of spurious correlation? How do you know?
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CSU Week 3 Normal Distributions Questionnaire
Problems need to include all required steps and answer(s) for full credit. All answers need to be reduced to lowest terms ...
CSU Week 3 Normal Distributions Questionnaire
Problems need to include all required steps and answer(s) for full credit. All answers need to be reduced to lowest terms where possible. If the answer is in %, show two decimal places.Answer the following problems showing your work and explaining (or analyzing) your results. Submit your work in a typed Microsoft Word document.The average score of a statistics class was 71 with a standard deviation of 8.What is the z score of a student with a grade of 68? (2.5 pts)What is the z score of a student with a grade of 80? (2.5 pts)Using the same data in #1 answer the following:Approximately 68% (one standard deviation) of the scores are between ________ and _________ (2.5 pts)Approximately 95% (two standard deviation) of the scores are between _________ and _________ (2.5 pts)Most values of the standard normal distribution are between __________. (3 pts)-3 and 30 and 10 and 31 and 3(a) If the standard deviation of a data set is 1.3, what is the variance? (2.5 pts)(b) If the variance is 36, what is the standard deviation? (2.5 pts)Let X have a normal distribution with mean µ= 20 and standard deviation σ = 4. Determine the area in the normal curve for which:P (X > 28) (2.5 pts)P (X > 12) (2.5 pts)P (X > 24) (2.5 pts)The IQ scores of students listed below are from a SAMPLE of MATH 300 class.
IQ Scores921101059612010090981109510299931191061039110197105What is the mean IQ score? Round to the nearest whole number. (2.5 pts)Compute the IQ scores within plus/minus one standard deviation? Two answers. Round to the nearest whole numbers. (2.5 pts)Compute the IQ scores within plus/minus two standard deviation? Two answers. (2.5 pts)Let X have a normal distribution with µ= 10 and standard deviation σ= 2. Transform X to the standard normal form Z and match the following probability statements:a) P(X>14) 1) P(Z<-1)b) P(X<8) 2) P(-2 < Z < 2)c) P(6 < X < 14) 3) P(Z > 2)a) is matched to ___________ (2.5 pts)b) is matched to ___________ (2.5 pts)c) is matched to ___________ (2.5 pts)Let X have a normal distribution with mean µ= 30 and standard deviation σ= 10. Calculate P(X>40). Round to two decimal places. (4 pts)For a standard normal variable Z, compute P(Z<1.5). Round your answer to two decimal places. (3 pts)A larger standard deviation of a normal distribution indicates that the distribution becomes (2.5 pts)
narrower and more peakedflatted and widermore skewed to the rightmore skewed to the left
Strayer University Week 8 Mortgage Approval Time Study Case Study Paper
Case Study 2: Mortgage Approval Time StudyDue Week 8 and worth 190 points Read the following case study:A major financial ...
Strayer University Week 8 Mortgage Approval Time Study Case Study Paper
Case Study 2: Mortgage Approval Time StudyDue Week 8 and worth 190 points Read the following case study:A major financial services company wishes to better understand its mortgage approval process. In particular, the company is interested in learning about the effects of credit history (good versus fair), the size of the mortgage (<$500,000 versus >$500,000), and the region of the United States (western versus eastern) on the amount of time it takes to get a mortgage approved. The database of mortgages approved in the last year is accessed, and a random sample of five approved mortgages is selected for each of the eight combinations of the three variables. The data are shown in the tableMortgage Approval Time Study Credit History Mortgage Size Region Approval Times (Days)Good <$500,000 Western 59 50 64 62 47Fair <$500,000 Western 81 58 69 65 74Good >$500,000 Western 38 52 58 60 65Fair >$500,000 Western 146 159 133 143 129Good <$500,000 Eastern 28 26 38 41 21Fair <$500,000 Eastern 42 53 40 50 64Good >$500,000 Eastern 49 31 49 42 38Fair >$500,000 Eastern 106 115 126 118 138First, conduct an analysis using the following steps:Use the data shown in the table to conduct a design of experiment (DOE) in Microsoft Excel in order determine the nature and magnitude of the effects of the three variables on mortgage approval times. What are the key drivers of this process?Determine the graphical display tool (e.g., Interaction Effects Chart, Scatter Chart, etc.) that you would use to present the results of the DOE that you conducted in Question 1. Provide a rationale for your response. Assess the data sampling method. Our sample contained only five mortgages per combination. Under what circumstances would it have been appropriate to select a larger sample? Is a sample of five mortgages adequate to access the relative magnitudes of the effects of the variables? What sample size would you recommend? What could you learn from a larger sample size? (Hint: Look back at chapter 2, 3, 5, and 6 for discussion of sampling.)Provide other variable responses that might be of interest to measure and study. (Hint: If you were getting a mortgage or a loan, what are the two and most important measures of the process you would have to go through?)Propose one overall recommendation to the financial services company, based on the DOE, that could help reduce mortgage approval times.Use http://research.strayer.edu to identify at least two (2) quality references to support your discussion. Note: Wikipedia and other Websites do not qualify as academic resources.Second, create a PPT presentation to communicate the data analysis you completed. Your presentation must follow these formatting requirements:A PPT presentation with at least 10 slides that include the answers to questions 1 through 5. A reference slide which follows APA format. Check with your professor for any additional instructions.Formatting of the slides should be consistent and easy to read. Cover slide containing the title of the assignment, the student's name, the professor's name, the course title, and the date.Note: The cover slides and the reference slides are not included in the required assignment slides length.The specific course learning outcome associated with this assignment is:Develop recommendations to improve business processes, using statistical tools and analysis.
i have the answer i just cant get the steps
A bank loaned out $66000, part of it at 9% per year and the rest at 4% per year. If the interest received was $4190, how m ...
i have the answer i just cant get the steps
A bank loaned out $66000, part of it at 9% per year and the rest at 4% per year. If the interest received was $4190, how much was loaned at 9%?
Week 7 Assignment1: Repeated Measures ANOVA in SPSS
To prepareReview the datasets provided.Construct a research question based on one of those datasets.Pay attention to the a ...
Week 7 Assignment1: Repeated Measures ANOVA in SPSS
To prepareReview the datasets provided.Construct a research question based on one of those datasets.Pay attention to the assumptions of this test, and ask, “Does it make sense to interpret the mean of this dependent variable?”By Day 7The AssignmentUse SPSS to answer the research question you constructed. Then, compose a 1- to 2-paragraph analysis in APA format in which you answer the following questions:What is the null hypothesis for your question?What research design(s) would align with this question?What dependent variable was used and how is it measured?What independent variable is used and how is it measured?If you found significance, what is the strength of the effect?What is the answer to your research question?What are the possible implications of social change?Be sure to include your data output with your analysis. See page 996 in your Warner textbook for an excellent APA-compliant write-up of a repeated-measures ANOVA.
Calculate in Excel... Car Lot Inventory
You manage the inventory for a car dealership. Your management would like you to review current inventory on the dealershi ...
Calculate in Excel... Car Lot Inventory
You manage the inventory for a car dealership. Your management would like you to review current inventory on the dealership lot.Review the Week 2 Data Set. ***Attached***Create and calculate the following in Excel®:Create a Pie Chart which summarizes colors of the cars in the sample.Create a Bar Chart which summarizes the frequency of the models of the cars in the sample.Create a Frequency Table for classes of MPG, including Frequency and Relative Frequency for the cars in the sample.Calculate the mean Days in Inventory for the cars in the sample. Compare that to the median and the mode. Highlight the value that would be a better representation of the "typical" price of a car in inventory?Calculate the standard deviation of the Days in Inventory for the cars in the sample. Calculate the 5 number summary for the suggested
retail prices of the cars in the sample. This consists of the 1st, 2nd,
3rd, 4th quartile and the IQR.
Miami Dade College COVID 19 Spurious Correlation Statistics Discussion
You may have heard it said before that “correlation does not imply causation.” This can also be called spurious correl ...
Miami Dade College COVID 19 Spurious Correlation Statistics Discussion
You may have heard it said before that “correlation does not imply causation.” This can also be called spurious correlation, which is defined as a correlation between two variables that does not result from a direct relationship between them. Instead, it results from the variables’ relationship to other variables. One example is the relationship between crime and ice cream sales. Ice cream sales and crime rates are highly correlated. However, ice cream sales do not cause crime; instead, it is both variables’ relationship to weather and temperature.
Do some research and find some interesting, or even funny, examples of spurious correlation. Why is this an example of spurious correlation? How do you know?
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