!!!one hundred points i'm having trouble hours gpa 18 4 21.9 3.69 18 3.8 19.7 3.5 18 4 16.7 3.5 15.5 3.92 9.2 2.23 18 3.7 13.8 1.42 ? describe how the line of best fit and the correlation coefficient can be used to determine the correlation between the two variables on your graph. ? describe the type of correlation between the two variables on your graph. how do you know? ? does the correlation between the variables imply causation? explain. ? how do you calculate the residuals for a scatterplot? ? calculate the residuals for your scatterplot in step 2d. ? create a residual plot for your data. ? does your residual plot show that the linear model from the regression calculator is a good model? explain your reasoning. ? using your equation from step 2d, estimate the gpa of a student who studies for 15 hours a week. justify your answer.
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Category: mechanicalengineering | Author: Abraham Uilleam
!28 points! i need help quick!! the area of a rectangle is 2x^2-7x-15. determine binomials that represent the length and the width if this triangle.
!30 points! use the substitution method to solve the system of equations. y = 4x 8x + y = 18 a. (2,8) b. (3/2,6) c. (3/2,8) d. (2,2)
!: (a) 20 cm: 80 10. some mercury is poured into a capillary tube of uniform bore and one end closed. when the tube is held horizontally, mercury colu