A creep test is done at room temperature on a material on a metal alloy wire comprising of 30% Tin, 25% lead and a solid core copper of 40%. The test measures the increase in strain (Pa) over time (hr) while a constant load is applied to the test specimen wire. Fit the following data using quadratic regression and determine the strain for the duration time t= 5.625 hrs. (note use the rounded off coefficient values in calculating the function). (Answers should be in 3 decimal places) fox) xy x3y 0.452 Blank 1 Blank 2 Blank 3 Blank 4 Blank 5 0.724 Blank 6 Blank 7 Blank 8 Blank 9 Blank 10 3 0.918 Blank 11 Blank 12 Blank 13 Blank 14 Blank 15 0.966 Blank 16 Blank 17 Blank 18 Blank 19 Blank 20 5 0.948 Blank 21 Blank 22 Blank 23 Blank 24 Blank 25 Sum x Sum y Sum x? Sum x3 Sum x Sum xy Sum xy Blank 26 Blank 27 Blank 28 Blank 29 Blank 30 Blank 31 Blank 32 Ao = Blank 33; A, = Blank 34; A2 = Blank 35; f(5.625) = Blank 36 2. 4.

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