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AK/ADMS 2320.3.0 MIDTERM EXAMINATION 2 of 23 FALL 2006 Question 1 (13 marks) a) Find the Mean. ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ a b c d e f g Mean Median Mode Variance Standard Coefficient M.A.D deviation of variation .- . . Please show all of your calculations in the spaces provided below and place your answers in the appropriate boxes. 5 1 -10 -6 5 0 7 8 2 5 -1 8 The following is the percent change in net income from 2002 to 2003 for a sample of 12 construction companies in located in Southern Ontario.

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AK/ADMS 2320.3.0 MIDTERM EXAMINATION 3 of 23 FALL 2006 b) Find the Median. ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ c) Find the Mode. ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ d) Find the Variance. ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________
AK/ADMS 2320.3.0 MIDTERM EXAMINATION 4 of 23 FALL 2006 e) Find the Standard Deviation. _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ f) Find the Coefficient of Variation. _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ g) What is the M.A.D? _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________

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