Parks and Gardens Maintenance Limited provides service to several clients around the island. Staff members are...

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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. 4 Number of gardeners (X) Parks maintained (Y) 10 iv) Calculate bo. 55 12 60 28 85 24 75 18 80 i) Compute the variance of the number of gardeners. ii) Compute the covariance of parks maintained and the number of gardeners. iii) Calculate and interpret b₁, the slope of the regression line. 16 85 15 65 v) What is the sample regression line? vi) Given your answer for part (v), how many parks would be maintained if the company used 30 gardeners? 12 55 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. 4 Number of gardeners (X) Parks maintained (Y) 10 iv) Calculate bo. 55 12 60 28 85 24 75 18 80 i) Compute the variance of the number of gardeners. ii) Compute the covariance of parks maintained and the number of gardeners. iii) Calculate and interpret b₁, the slope of the regression line. 16 85 15 65 v) What is the sample regression line? vi) Given your answer for part (v), how many parks would be maintained if the company used 30 gardeners? 12 55

Answer rating: 100% (QA)

To answer the questions we first need to find some basic statistical measures using the given data X Number of gardeners 10 12 28 24 18 16 15 12 Y Par... View the full answer