This exercise requires the use of a computer pack- age. The article “Movement and Habitat Use by Lake Whitefish During Spawning in a Boreal Lake: Inte- grating Acoustic Telemetry and Geographic Informa- tion Systems” (Transactions of the American Fisheries Society [1999]: 939–952) included the accompanying data on 17 fish caught in 2 consecutive years. a. Fit a multiple regression model to describe the rela- tionship between weight and the pre

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Author:Amos Gilat
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This exercise requires the use of a computer pack-
age. The article “Movement and Habitat Use by Lake
Whitefish During Spawning in a Boreal Lake: Inte-
grating Acoustic Telemetry and Geographic Informa-
tion Systems” (Transactions of the American Fisheries
Society [1999]: 939–952) included the accompanying
data on 17 fish caught in 2 consecutive years.

a. Fit a multiple regression model to describe the rela-
tionship between weight and the predictors length
and age. y^5 2 511 1 3.06 length 2 1.11 age
b. Carry out the model utility test to determine whether
at least one of the predictors length and age are useful
for predicting weight.

Year
Year 1
Year 2
Fish
Number
1
123
2
3
4
5
6
7
8
9
10
11
12
13
14
15
114
16
17
Weight
(g)
776
580
539
648
538
891
673
783
571
627
727
867
1042
804
832
764
727
Length
(mm)
410
368
357
373
361
385
380
400
407
410
421
446
478
441
454
440
427
Age
(years)
9
11
15
12
9
9
10
12
12
13
12
19
19
18
12
12
12
Transcribed Image Text:Year Year 1 Year 2 Fish Number 1 123 2 3 4 5 6 7 8 9 10 11 12 13 14 15 114 16 17 Weight (g) 776 580 539 648 538 891 673 783 571 627 727 867 1042 804 832 764 727 Length (mm) 410 368 357 373 361 385 380 400 407 410 421 446 478 441 454 440 427 Age (years) 9 11 15 12 9 9 10 12 12 13 12 19 19 18 12 12 12
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