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to know where to step and how long
étape means Step
Infinity. Step machines don't move when you use them.
Assuming you mean steps like "footsteps", you need to know how long a "step" is. For the average person, it's somewhere around 2.2 - 2.5 feet. Let's just say 2.5 for now. To convert, divide your total number by the step length: 400 ft / 2.5 ft/step = 160 steps.
Step 1: Find the mean Step 2: Find the deviation from the mean Step 3: Take the absolute value of the deviation Step 4: Find the mean of the absolute deviation. x----x-mean 63 63-63 0 69 69-63 6 62 62-63 -1 57 57-63 -6 64 64-63 1 mean = (63+69+62+57+64)/5 = 63 Taking the absolute deviations, we have 0,6,1,6,1 Averaging these deviations : (0+6+1+6+1)/5 =14/5 = 2.8 Mean absolute deviation = 2.8