1.Figure 12.21 shows a stepped and grooved block sketch with a depth of 2 in. Apply the three dimensioning schemes of Section 12.7 to the sketch. Calculate, manually, the coordinates of point P for each scheme. Which scheme has the worst tolerance accumulation on the point location? Calculate the accumulation for each scheme. 2. What is the difference between arithmetic and statistical tolerancing? Which one is more restrictive and why?
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