Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 11 Feb 2018 My Price 8.00

Fisheries Science

4.37       Carp diet study. Fisheries Science (February 1995) reported on a study of the variables that affect  endogenous  nitrogen  excretion   (ENE) in carp  raised  in  Japan.  Carp  were  divided into groups of 2 – 15 fish, each  according to body weight and each group placed in a sep- arate tank. The carp were then fed a protein- free diet three times daily for a period of  20 days. One day after terminating the feeding

 

 

 

TANK

1

BODY WEIGHT x

11.7

ENE y

15.3

2

25.3

9.3

3

90.2

6.5

4

213.0

6.0

5

10.2

15.7

6

17.6

10.0

7

32.6

8.6

8

81.3

6.4

9

141.5

5.6

10

285.7

6.0

Source: Watanabe, T., and Ohta, M. ‘‘Endogenous nitrogen excretion and non-fecal energy losses in carp and rainbow trout.’’ Fisheries Science, Vol. 61, No. 1, Feb. 1995, p. 56 (Table 5).

 

 

MINITAB output for Exercise 4.37

 

 

A Quadratic (Second-Order) Model with a Quantitative Predictor      207

 

 

experiment, the amount of ENE in each tank was measured. The table (p. 206) gives the mean body weight (in grams) and ENE amount (in mil- ligrams per 100 grams of body weight per day) for each carp group.

(a)    Graph the data in a scatterplot. Do you detect a pattern?

(b)    The quadratic model E(y) = β0 + β1x + β2x2 was fit to the data using MINITAB. The MINITAB printout is displayed on

p. 206. Conduct the test H0: β2 = 0 against Ha : β2 I= 0 using α = .10. Give the conclusion in the words of the  problem.

Answers

Maurice Tutor
(5)
Status NEW Posted 11 Feb 2018 04:02 PM My Price 8.00

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