Question

Please help me solve 43-45

43. Use the regression equation below to predict the profits for the restaurant when the population size is 14.8 thousand people. (Plug in 14.8 for X in the equation and calculate Y) Regression Line: Y--30.3091+6.0211 X 44. (True or False?) This correlation study proves that more people in a city will cause the restaurant profits to increase (True or False?) It will be fine to use the regression equation to predict the profits for the population of Los Angeles (3.976 million people)(X 3976) 45. (#46-52) The following data describes the ages (in years) and heights (in centimeters) of boys, we are trying to find which curve pattern fits the data best (Quadratic, Logarithmic, or Exponential). Scatterplots and r-squared values are shown below. quadratic Curve Plot 2 70 5 130 10 11 2 13 14 15 16 17 Age of boys (vears) R-squared (Quadratic)-0.933 Standard Deviation of the Residuals (Quadratic)- 7.66 cm

Answer 1