Week 8 Assignment: Correlation Andcausation

This study source was downloaded by 100000802832151 from CourseHero.com on 11-07-2022 06:27:42 GMT -06:00https://www.coursehero.com/file/89152943/Week8CorrelationandCausationdocx/ Week 8 Assignment: Correlation and CausationQuestionThe scatter plot below shows data for the number of babies ( y ) born in a certain city in a given year, where x is the year. The least squares regression line is given by y =28,450344 x .Interpret the y -intercept of the least squares regression line.The predicted number of babies born in the year 0 is 28,450 .The predicted number of babies born in the year 2000 is 344 .The predicted number of babies born in the year 2002 is 28,450 .The y -intercept should not be interpreted.QuestionA retail store uses sales data to make a regression line. The independent variable x represents time and the dependent variable y represents sales.Which of the following situations could produce data sets or plots that have a regressionline with a negative slope? Select all that apply.This study source was downloaded by 100000802832151 from CourseHero.com on 11-07-2022 06:27:42 GMT -06:00https://www.coursehero.com/file/89152943/Week8CorrelationandCausationdocx/The percent change in the total sales is so good that everyone is talking about it. The company's supplier is experiencing a shortage of materials to manufacture the items that the store sells.The