Given are five observations for two variables, and y. 1 2 3 4 5 3 7 6 9 14 a. Which of the following scatter diagrams accurately represents the data? 1. +16 +12 +8 0,5 0,5 45 10 AS Scatter diagram #2 b. What does the scatter diagram indicate about the relationship between the two variables? There appears to be a positive linear relationship between 2 and y. c. Try to approximate the relationship between r and y by drawing a straight line through the data. Which of the following scatter diagrams with a trend line accurately represents the data? Ty +16 +12 - 0,5..........25...3,34-45...5.3.4 +16 2. +16 +12 -8 -9,5. 0,5.15 4,5...5...5,5.. 3 +16 +12 2,5 0,5 ....1,5...... ...3,5...4...4,....5,5% -0.5 0,5... ...2,5...2..3...4...4,5...5,5... Scatter diagram #1 d. Develop the estimated regression equation by computing the values of bo and by using Equation 14.6 and Equation 14.7 (to 1 decimal). e. Use the estimated regression equation to predict the value of y when z = 3 (to 1 decimal), 0-lcon Koy