This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
ScanSolve AI Answer
Here's the solution for Question 2: QUESTION 2 i) Estimate the quantity of lubricant to be required in Year 2025 when the machines are planned to work for a total of 8 × 10^5 Hours. Step 1: Calculate the linear regression equation relating Quantity of lubricant (Y) to Total machine hours (X). The given data is: | Period | Y (10^3 gallons) | X (10^4 hrs) | XY | X^2 | |---|---|---|---|---| | 2024 | 29 | 15 | 435 | 225 | |