# x23.txt # # Reference: # # S Chatterjee, B Price, # Statistical Theory and Methodology, # Wiley, 1977, page 61. # # Helmut Spaeth, # Mathematical Algorithms for Linear Regression, # Academic Press, 1991, # ISBN 0-12-656460-4. # # Discussion: # # The satisfaction of office workers with their superiors was # rated. Six influencing variables were also recorded. # # There are 30 rows of data. Data include: # # I, the index; # A1, variable 1; # A2, variable 2; # A3, variable 3; # A4, variable 4; # A5, variable 5; # A6, variable 6; # B, the satisfaction rating. # # We seek a model of the form: # # B = A1 * X1 + A2 * X2 + A3 * X3 + A4 * X4 + A5 * X5 + A6 * X6 # 8 columns 30 rows Index A1 A2 A3 A4 A5 A6 B 1 51 30 39 61 92 45 43 2 64 51 54 63 73 47 63 3 70 68 69 76 86 48 71 4 63 45 47 54 84 35 61 5 78 56 66 71 83 47 81 6 55 49 44 54 49 34 43 7 67 42 56 66 68 35 58 8 75 50 55 70 66 41 71 9 82 72 67 71 83 31 72 10 61 45 47 62 80 41 67 11 53 53 58 58 67 34 64 12 60 47 39 59 74 41 67 13 62 57 42 55 63 25 69 14 83 83 45 59 77 35 68 15 77 54 72 79 77 46 77 16 90 50 72 60 54 36 81 17 85 64 69 79 79 63 74 18 60 65 75 55 80 60 65 19 70 46 57 75 85 46 65 20 58 68 54 64 78 52 50 21 40 33 34 43 64 33 50 22 61 52 62 66 80 41 64 23 66 52 50 63 80 37 53 24 37 42 58 50 57 49 40 25 54 42 48 66 75 33 63 26 77 66 63 88 76 72 66 27 75 58 74 80 78 49 78 28 57 44 45 51 83 38 48 29 85 71 71 77 74 55 85 30 82 39 59 64 78 39 82