please help me, can you explain how to get all of them too because its going to change my numbers thank you!

Problem 4.14 Question Help Following are two weekly forecasts made by two different methods for the number of gallons of gasoline, in thousands, demanded at a local gasoline station. Also shown are actual demand levels, in thousands of gallons: Week Week 1 1 2 Forecast Method 1 0.95 1.02 0.92 1.22 Actual Demand 0.70 0.98 1.07 1.04 Forecast Method 2 0.77 1.19 0.90 1.17 Actual Demand 0.70 0.98 1.07 1.04 2 3 3 4 4 The MAD for Method 1 = 0.155 thousand gallons (round your response to three decimal places). The mean squared error (MSE) for Method 1 = 0.030 thousand gallons? (round your response to three decimal places). The MAD for Method 2 = 0.145 thousand gallons (round your response to three decimal places). The mean squared error (MSE) for Method 2 = 5 thousand gallons? (round your response to three decimal places)