Competencies In this project, you will demonstrate your mastery of the following competencies: Apply statistical techniques to address research problems Perform regression analysis to address an authentic problem Overview The purpose of this project is to have you complete all of the steps of a real-world linear regression research project starting with developing a … Read more
Competency In this project, you will demonstrate your mastery of the following competency: Apply statistical techniques to address research problems Perform hypothesis testing to address an authentic problem Overview In this project, you will apply inference methods for means to test your hypotheses about the housing sales market for a region of the United … Read more
Scenario You have been hired by the Regional Real Estate Company to help them analyze real estate data. One of the companys Pacific region salespeople just returned to the office with a newly designed advertisement. It states that the average cost per square foot of his home sales is above the average cost per … Read more
Part 2: Auto dataset revisited We also used the auto dataset two weeks ago in . We used it with LDA and QDA. Both methods in R provide a CV argument that will compute a LOOCV estimate for us. If we want to compute a k-fold cross validation estimate when k is not equal to the … Read more
QUESTION 1 1. I am attempting to calculate Body Mass Index. To collect the persons weight, I construct the following variable. Please report your height ___________ Provide at least two different sources of error that are related to the manner in which the data is collected. (Think about what is being asked, and how … Read more
W7: Regression and Correlation Subscribe Look back to the raw data you collected in week 1. There are 7 variables listed: Vehicle type/class Year Make Model Price MPG (city) MPG (highway) Choose TWO variables that you feel are correlated and explain why you feel that they are correlated. Do you suspect the relation is … Read more
In this module, we will apply everything we have learned so far to explore how home purchasing works. Homes normally have much lower interest rates (as of this course development, its sitting around 3.5% for a 30 yr mortgage); however, the term is much longer than for other types of purchases, where the rates are … Read more
2 points) Albert thinks that he has a special relationship with the number 4. In particular, Albert thinks that he would roll a 4 with a fair 6-sided die more often than you’d expect by chance alone. Suppose pp is the true proportion of the time Albert will roll a 4. (a) State the null … Read more
ABC Company has instituted good internal controls and has never, until last month, had a problem with fraud. But several weeks ago, someone with access to keys entered the controllers office and took two company checkbooks. Since then, several checks have been forged totaling $5,670. You are a certified fraud examiner and have been recruited to … Read more
As CEO of your company, youve been going over your financial statements and have noticed something disturbing. You perform a horizontal analysis and find that sales have been increasing at a rate of 3 percent per year, while inventory has risen at a rate of 29 percent per year. Could fraud be occurring? Why or … Read more