Assignment – Module 7
1. Consider the observations of mean annual flood (Q in cumec) obtained in 15 different
watershed, as given in the table below. The mean annual flood is assumed to be
dependent on area of watershed (A in hectares), rainfall (P in cm) and basin length (L in
km). Obtain regression equation for Q in terms of remaining variables and obtain R2
value.
Q
P
A
L
89
107
92
35
140 108 369 55
408
104
349
56
371
106
527
93
301
107
357
54
242
105
167
47
682
107
1190
112
133 103 104 39
97
104
57
25
640
75
1012
91
335
76
410
46
85
79
165
41
436
76
1992
143
446 79 3401 265
83
91
79
24
2. Obtain the principal components for the data given in problem no.1
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