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MECH373
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Announcement

December 6, 2001 

The solutions for Assignments 4 - 8 have been sent to Concordia's Copy Center.

October 16, 2001 

The missing solutions for Assignments 2 and 3 (Section T) can be found from the following link Solutions 2 and 3 (2).

October 13, 2001 

Solutions for Assignments 2 and 3 can be found from the following link Solutions 2 and 3.

October 7, 2001 

Solutions for Assignment 1 can be found following the link Exercises.

September 24, 2001 

Course plan and the assignment 1 have been updated on this website.

December 7, 1999 

All solutions for Assignments #1-#10 were sent to Copy Center for your review. Please check them.

November 18, 1999

Solutions for Assignment #5 were posted this noon. 

The solutions for Assignment #2-#5 were removed. For those who did not download them, please ask your classmates for a copy.

October 18, 1999

Elias wrote that Problem 4.26 in the solutions must be wrong. First x = 923.7(mean); Sx = ( 1/(N-1) * S (x1 - x)2 )0.5, where x1 is the value at n=1 and we go further (x2, x3etc). If you perform the calculations ( N=10): Sx = (1/9 * ( 0.49 + 68.69 + 246.49 + 68.69 + 22.09 + 59.29 + 10.89 + 53.29 +5.29 +0.49))0.5 = (1/9 * 535.7)0.5= 7.71 (Not 8.13N as shown on the solutions). By the 3 sigma method, Zo= 2.03 and N( 0.5 P ( 2.03))= 0.0212*10=0.212>0.1. We find new statistics  X = mean=923.7, Sx = 7.717, Sx= Sx / (10)0.5 = 2.438  (Not 2.57 as on the solutions). 

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