The length of a species of fish is to be represented as a function of the...

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Basic Math

The length of a species of fish is to be represented as afunction of the age (measured in days) and water temperature(degrees Celsius). The fish are kept in tanks at 25, 27, 29 and 31degrees Celsius. After birth, a test specimen is chosen at randomevery 14 days and its length measured.

Age

Temp

Length

1

14

25

620

2

28

25

1,315

3

41

25

2,120

4

55

25

2,600

5

69

25

3,110

6

83

25

3,535

7

97

25

3,935

8

111

25

4,465

9

125

25

4,530

10

139

25

4,570

11

153

25

4,600

12

14

27

625

13

28

27

1,215

14

41

27

2,110

15

55

27

2,805

16

69

27

3,255

17

83

27

4,015

18

97

27

4,315

19

111

27

4,495

20

125

27

4,535

21

139

27

4,600

22

153

27

4,600

23

14

29

590

24

28

29

1,305

25

41

29

2,140

26

55

29

2,890

27

69

29

3,920

28

83

29

3,920

29

97

29

4,515

30

111

29

4,520

31

125

29

4,525

32

139

29

4,565

33

153

29

4,566

34

14

31

590

35

28

31

1,205

36

41

31

1,915

37

55

31

2,140

38

69

31

2,710

39

83

31

3,020

40

97

31

3,030

41

111

31

3,040

42

125

31

3,180

43

139

31

3,257

44

153

31

3,214

Which of the following types of transformation may beappropriate given the shape of the residual plot?

Logarithmic transformation in both Y and the X variables

Quadratic transformation to correct for curvilinearrelationship

No transformation is necessary

Answer & Explanation Solved by verified expert
3.7 Ratings (630 Votes)
Seeing the age residual    See Answer
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