Week 7 Knowledge Check Homework Practice Questions - SOLVED

Week 7 Knowledge Check Homework Practice Questions Return to Assessment List Part 1 of 9 - Linear Regression and Correlation 2.0/ 2.0 Points Question 1 of 20 Which of the following equations are linear? A. 8x3+4y2  B. y=6x+8 C. 3y=6x+5y2 D. y-x=8x2 Answer Key: B Feedback: A linear equation is a linear line. If a problem has a squared or a cubed term, it isn't linear. It is a quadratic equation. Question 2 of 20 A vacation resort rents SCUBA equipment to certified divers. The resort charges an up-front fee of $25 and another fee of $12.50 an hour. What is the dependent variable? A. time B. resort location C. diver certification MATH302 B007 Win 20   Tests & Quizzes Tests & Quizzes 2/23/2020 APUS CLE : MATH302 B007 Win 20 : Tests & Quizzes 1.0/ 1.0 Points  D. fee amount Answer Key: D Feedback: The equation is Dollars = $12.5(hour) + $25 Dollars depends on how many hours you use the equipment for. Dollars is the dependent variable and time (in hours) is the independent variable. Part 2 of 9 - Multiple Linear Regression 4.0/ 4.0 Points Question 3 of 20 You move out into the country and you notice every Spring there are more and more Deer Fawns that appear. You decide to try and predict how many Fawns there will be for the up coming Spring. You collect data to, to help estimate Fawn Count for the upcoming Spring season. You collect data on over the past 10 years. x1 = Adult Deer Count x2 = Annual Rain in Inches x3 = Winter Severity Where Winter Severity Index: 1 = Warm 2 = Mild 3 = Cold 4 = Freeze 5 = Severe Approximately what percentage of the variation for Fawn Count is accounted for by these 3 variables in this model? See Attached Excel for Data. Deer 10 KB