Note: The mean deviation is the average of the absolute values of the individual

Question

Note: The mean deviation is the average of the absolute values of the individual deviations from the average. The relative mean deviation is the mean deviation divided by the average. 2. Repeat Calculation 1 for y2 and x2. 3. Repeat Calculation 1 for y3 and x3 4 Repeat Calculation 1 for y4 and x4 5. Use the Cricket Graph software and the Macintosh computer to graph the data y versus x (y is vertical axis, x is horizontal axis). a) Find the curve of best fit. b) Find the equation of the curve of best fit. c) Use the equation of the curve to find vor. The coefficient of the x2 term, b, will yield vo, e.g. v02= 2

Explanation / Answer

All the caluculations are calculated in Excel.

Y1 X1 Y2 X2 Y3 X3 Y4 X4 119 300.5 82.8 257 153.5 186.2 138.6 326 119 300.2 82.3 257.2 153.4 186.5 139 326.4 119.2 300.4 82.8 257 153.2 186 138.7 326.5 119.1 300.5 82.6 257.3 153.3 186.2 138.8 326 119.5 300.5 82.9 257.3 153.2 186.3 139 326.7 Average 119.16 300.42 82.68 257.16 153.32 186.24 138.82 326.32 -0.16 0.08 0.12 -0.16 0.18 -0.04 -0.22 -0.32 -0.16 -0.22 -0.38 0.04 0.08 0.26 0.18 0.08 0.04 -0.02 0.12 -0.16 -0.12 -0.24 -0.12 0.18 -0.06 0.08 -0.08 0.14 -0.02 -0.04 -0.02 -0.32 0.34 0.08 0.22 0.14 -0.12 0.06 0.18 0.38 0.16 0.08 0.12 0.16 0.18 0.04 0.22 0.32 0.16 0.22 0.38 0.04 0.08 0.26 0.18 0.08 0.04 0.02 0.12 0.16 0.12 0.24 0.12 0.18 0.06 0.08 0.08 0.14 0.02 0.04 0.02 0.32 0.34 0.08 0.22 0.14 0.12 0.06 0.18 0.38 Mean Deviation 0.152 0.096 0.184 0.128 0.104 0.128 0.144 0.256 Relative 0.128% 0.032% 0.223% 0.050% 0.068% 0.069% 0.104% 0.078%

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