Question: Quantitative methods answer in 20 minutes max please X Show ALL your workings; marks are allocated based on the details provided. Parks and Gardens Maintenance

Quantitative methods answer in 20 minutes max please

X Show ALL your workings; marks are allocated based on the details provided. Parks and Gardens Maintenance Limited provides service to several clients around the island. Staff members are assigned to various locations and are responsible for maintaining the premises of the clients. The table below shows the number of gardeners and the number of parks they have maintained for the month. Use the data in the table below to answer the following questions. Number of 10 12 28 24 18 16 15 12 gardeners (X) Parks 55 60 85 75 80 85 65 55 maintained (Y) i) Compute the variance of the number of gardeners. (6 Marks) ii) Compute the covariance of parks maintained and the number of gardeners. (6 Marks) iii) Calculate and interpret b1, the slope of the regression line. (3 Marks) iv) Calculate bo. (3 Marks) v) What is the sample regression line? (4 Marks) vi) Given your answer for part (v), how many parks would be maintained if the company used 30 gardeners

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