- Urgent Please Answer All The Questions With Full Calculation In 30 Min 1 (34.68 KiB) Viewed 37 times
Urgent please answer all the questions with full calculation in 30 min
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Urgent please answer all the questions with full calculation in 30 min
Urgent please answer all the questions with full calculation in 30 min
Q1 A manager of PROCAR Enterprise conducted a study to determine whether there is a relationship between the number of sales people on duty and the number of cars sold in a week. The data of the study are shown in the table below. Table 1: Number of sales people and cars sold Week Number of Number of Sales People Cars Sold 1 2 3 4 5 6 7 6 5 3 4 2 76 68 58 32 54 28 (a) Estimate the regression line by using the least square method. Interpret the result. (10 marks) (b) Estimate the number of cars sold when the number sales people are 9. Interpret the result. (2 marks) (c) Test the slope whether it is greater than four at 5% level of significance. (8 marks)
Q1 A manager of PROCAR Enterprise conducted a study to determine whether there is a relationship between the number of sales people on duty and the number of cars sold in a week. The data of the study are shown in the table below. Table 1: Number of sales people and cars sold Week Number of Number of Sales People Cars Sold 1 2 3 4 5 6 7 6 5 3 4 2 76 68 58 32 54 28 (a) Estimate the regression line by using the least square method. Interpret the result. (10 marks) (b) Estimate the number of cars sold when the number sales people are 9. Interpret the result. (2 marks) (c) Test the slope whether it is greater than four at 5% level of significance. (8 marks)
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