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interpret the slope regression equation =15.4-.07 35 mpg? Is the probability tha

ID: 3242424 • Letter: I

Question

interpret the slope regression equation =15.4-.07


35 mpg? Is the probability that a randomly selected passenger car g b. What is the probability that the average mpg of four randomly s passenger cars is more than 35 mpg? a. If four passenger cars are randomly selected, what is the proba the passenger cars get more than 35 mpg? regression equation Credits 15.4 -.07 Work was estimated from students. Credits is the number of college credits taken and w of hours worked per week at an outside job a) Interpret the slope. o) Is the intercept meaningful? Explain Make a prediction of Credits when Work 0 and when Work:

Explanation / Answer

a) Here slope is -0.07 which means regression line is in downtrend and if the W increase by 1 unit then the credit decrease by 0.07 unit.

b) Here intercept is 15.4 and yes it is meaningfull because there are some students who don't work at an outside job.

c) If the work is 0

Then Credit = 15.4