Question: A scientific study on gerbil population growth results in the data below…. The least squares regression line modeling this data is given by yˆ=13.3+5.567x. What is the slope of the regression line? Round your answer to three decimal places.
Question: The scatter plot below shows data for the average cost of a high-end computer (y, in dollars) in the year x years since 2000. The least squares regression line is given by yˆ=−1677+314x….. A plot of time versus the price of a best-selling model of television has horizontal units of years since 2000 and vertical units of dollars. The best fit line of the data are defined by the equation y=−75x+550, where x=year and y=price…… What are the units of the slope?
Question: Which of the following data sets or plots could have a regression line with a negative slope? Select all that apply.
Question: Which of the following data sets or plots could have a regression line with a negative y-intercept?
Instituition / Term
Term
Fall 2020
Institution
MATH 225N Statistical Reasoning for the Health Sciences
