Given are five observations for two variables, X and Y.
a.
Which of the following scatter diagrams accurately represents the data? SCATTER DIAGRAM # 1
b.
What does the scatter diagram indicate about the relationship between the two variables? There appears to be a POSITIVE linear relationship between X and Y.
c.
Try to approximate the relationship between X and Y by drawing a straight line through the data. Which of the following scatter diagrams with a trend line accurately represents the data? SCATTER DIAGRAM # 1
(NEED ANSWERS FOR D and E)
d.
Develop the estimated regression equation by computing the values of b0 and b1 (1 decimal)
e.
Use the estimated regression equation to predict the value of Y when x=4 (1 decimal)
Extracted text: Given are five observations for two variables, and y. 1 2 4 4 4 10 13 a. Which of the folowing scatter diagrams accurately represents the data? 1. +16 +12 2. +16 +12 3. +12
Extracted text: e. Try to approximate the relationship between z and y by drawing a straight line through the data. Which of the following scatter diagrams with a trend line accurately represents the data? +16 +12 +16 +12 4 16 +12 45 Scatter diagram ! V d. Develop the estimated regression equation bry computing the values of dy and di using Equation 14.6 and Equation 14.7 (to 1 decimal). e. Use the estimated regression equation to predict the value or y when a-4 (to 1 decimal).