Which formula is used to calculate the standard deviation of sample data? H - 1 2 (x1 - x)2+(x2-x)2 +...+(XN-6) 2 N 16--, (**)*(8=)*.- (89w= X1-X + X2-X +...+ X -X n-1
The weight of an object in a particular scale is 175.2 lbs. the measured weight may vary from the actual weight by at most 0.1 lbs. what is the range of actual weights of the object