1. CHICKEN FEED ADDITIVE STUDY Instruction: For all test of hypotheses, write Ho and Ha in words, specify test procedure, show.computed test statistic with df (if japplicable), 'p-value, decision and conclusion. A study was conducted to determine the effect of different types of feed additives (A1, A2, A3) in the cortisol level (ng/ml) among chickens. Fifteen chickens were randomly assigned to the three feed additives. The cortisol level (ng/ml) of the chickens was then measured after four weeks. a. If you are in this research team, what would you advise with regards to the use of the treatments? Show how did you come up with this advice by conducting hypothesis testing.
1. CHICKEN FEED ADDITIVE STUDY Instruction: For all test of hypotheses, write Ho and Ha in words, specify test procedure, show.computed test statistic with df (if japplicable), 'p-value, decision and conclusion. A study was conducted to determine the effect of different types of feed additives (A1, A2, A3) in the cortisol level (ng/ml) among chickens. Fifteen chickens were randomly assigned to the three feed additives. The cortisol level (ng/ml) of the chickens was then measured after four weeks. a. If you are in this research team, what would you advise with regards to the use of the treatments? Show how did you come up with this advice by conducting hypothesis testing.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
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Question
Answer the given blanks, for the test procedure and p value use image 2
Transcribed Image Text:1. CHICKEN FEED ADDITIVE STUDY
Wilk-Shapiro Test for Normality
data:
A1
data:
A2
data:
АЗ
W = 0.98999
W = 0.87485
p-value = 0.2866
W = 0.97079
p-value = 0.9797
p-value = 0.8803
Bartlett test of homogeneity of variances
cortisol by additive
= 0.39956, df = 2, p-value
data:
Bartlett's K-squared
= 0.8189
Analysis of Variance
Pr(>F)
Df Sum Sq Mean Sq F value
2.700
additive
1.3501
14.24 0.000678 ***
Residuals
12
1.137
0.0948
Signif. codes:
0 '*** ! 0.001 '** !
0.01 '*' 0.05 '.' 0.1 ' ' 1
Kruskal-Wallis Rank Sum Test
data:
cortisol by additive
Kruskal-Wallis chi-squared
9.42, df = 2, p-value = 0.009005
Transcribed Image Text:11. CHICKEN FEED ADDITIVE STUDY
Instruction: For all test of hypotheses, write Ho and Ha in words, specify test
procedure, show computed test statistic with df (if japplicable), p value, decision
and conclusion.
A study was conducted to determine the effect of different types of feed additives
(A1, A2, A3) in the cortisol level (ng/ml) among chickens. Fifteen chickens were
randomly assigned to the three feed additives. The cortisol level (ng/ml) of the
chickens was then measured after four weeks.
a. If you are in this research team, what would you advise with regards to the use
of the treatments? Show how did you come up with this advice by conducting
hypothesis testing.
Ho (in words):
Ha (in words):
Test Procedure.
p-value.
Decision:
Conclusion: At alpha = 0.05,
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