NeNe323
06.07.2019 •
Mathematics
Use the two points (4,92) and (1,82) from the scatterplot and the slope formula to find the slope of a linear model (regression line), rounded to three decimal places. show your work. (5 points) using the slope and a point from question (a) to write the equation of the linear model in point-slope form? (5 points) simplify the equation you wrote in problem (b) into slope-intercept form. show your work. (5 points)
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Ответ:
a) The slope is : 3.333
b)
c)
Step-by-step explanation:
a) - The formula to calculate the slope is:
- Use the given points to calculate the slope:
b) - The equation of the linear model in point-slope form is:
Where is the slope and are the coordinates of a point.
- Substitute values:
c) - The equation of the linear model in slope-intercept form is:
Where is the slope and is the y-intercept.
- Let's find . Use one of the points given in the problem to solve for :
- Therefore, the equation is:
Ответ:
b.)
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