List of Solutions

QUESTIONS Question 1 In which of the following situations can multiple regression be performed? Select all that apply. predicting the number of games a baseball team wins in a season, given… Read More »(Answer) MATH399N – Week 8 Assignment: Multivariate Relationships

QUESTIONS Question 1 Identify the scatter plot that has one or more outliers. Select all that apply. [Graphs] Question 2 Suppose you computed r=0.142 using n=82 data points. Using the critical values table below,… Read More »(Answer) MATH399N – Week 8 Assignment: Uses of Linear Regression

QUESTIONS Question 1 Find the linear regression line for the following table of values. You will need to use a calculator, spreadsheet, or statistical software. Enter your answer in the… Read More »(Answer) MATH399N – Week 8 Assignment: Linear Regression Equations and Application

Required Resources Read/review the following resources for this activity: Textbook: Chapter 12 (All Sections) Lesson Minimum of 1 scholarly source Initial Post Instructions Medical professionals can find relationships between variables.… Read More »MATH 399N – Week 8 Discussion: Regression

QUESTIONS Question 1 James was eating a bag of candies that came in eight different colors. He noticed that there appeared to be far less green candies than any of… Read More »(Answer) MATH399N – Week 7 Assignment: Hypothesis Testing with Technology – Excel

QUESTIONS Question 1 A police officer claims that the proportion of drivers wearing seat belts is more than 55%. To test this claim, a random sample of drivers are checked for… Read More »(Answer) MATH399N – Week 7 Assignment: Conduct a Hypothesis Test for Proportion – Critical Value/Rejection Region Approach

QUESTIONS Question 1 A hospital administrator claims that the proportion of knee surgeries that are successful is 87%. To test this claim, a random sample of 450 patients who underwent knee surgery is… Read More »(Answer) MATH399N – Week 7 Assignment: Week 7 – Developing Hypothesis and Understanding Possible Conclusions for Proportion

QUESTIONS Question 1 Using the information above, choose the correct conclusion that interprets the results within the context of the hypothesis test. We should reject the null hypothesis because t0<tα. So,… Read More »(Answer) MATH399N – Week 7 Assignment: Conduct a Hypothesis Test for Mean – Population Standard Deviation Unknown – Critical Value/Rejection Region Approach

QUESTIONS Question 1 According to a survey, the average American person watches TV for 3 hours per week. To test if the amount of TV in New York City is less than… Read More »(Answer) MATH399N – Week 7 Assignment: Developing Hypothesis for Mean and Understanding Possible Conclusions