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XY cars (20 points) The following table shows how many weeks a sample of 6 persons have worked at an automobile inspecti
Posted: Wed Apr 27, 2022 11:37 am
by answerhappygod
- Xy Cars 20 Points The Following Table Shows How Many Weeks A Sample Of 6 Persons Have Worked At An Automobile Inspecti 1 (33.71 KiB) Viewed 22 times
XY cars (20 points) The following table shows how many weeks a sample of 6 persons have worked at an automobile inspection station and the number of cars each person inspected between noon and 2:00pm on any given day: Number of Number of XX YY weeks employed, X inspected, Y 2 13 21 9 25 2 15 5 11 12 20 TOTALS 6 a) (10 pts) Find the least squares estimators and the values for a and Sxx a= = Sxy = b= Il Syy b) (5 pts) Determine AND WRITE the equation for the best fit line. c) (5 pts) Find the correlation coefficient, r, and describe the relationship between weeks in the program and time improvement.