A researcher is interested in investigating whether the military branch a person signs up for and the person's blood type are dependent. The table below shows the results of a survey. Frequencies of Military Branch and Blood Type O A B AB Army 91 65 45 29 Navy 132 62 40 25 Air Force 91 87 68 26 Marines 100 86 49 28 What can be concluded at the α = 0.05 significance level? a. What is the correct statistical test to use? Goodness-of-Fit Paired t-test Homogeneity Independence b. What are the null and alternative hypotheses? Ho: O The distribution of blood types is not the same for each branch of the military. Blood type and branch of the military are independent. Blood type and branch of the military are dependent. The distribution of blood types is the same for each branch of the military. H₁: O The distribution of blood types is not the same for each branch of the military. The distribution of blood types is the same for each branch of the military. Blood type and branch of the military are independent. Blood type and branch of the military are dependent. c. The test-statistic for this data = show your answer to three decimal places.) (Please d. The p-value for this sample = (Please show your answer to four decimal places.) e. The p-value is Select an answer ✰ α f. Based on this, we should accept the null fail to reject the null reject the null g. Thus, the final conclusion is... There is insufficient evidence to conclude that the distribution of blood types is not the same for each branch of the military. There is sufficient evidence to conclude that blood type and branch of the military are
A researcher is interested in investigating whether the military branch a person signs up for and the person's blood type are dependent. The table below shows the results of a survey. Frequencies of Military Branch and Blood Type O A B AB Army 91 65 45 29 Navy 132 62 40 25 Air Force 91 87 68 26 Marines 100 86 49 28 What can be concluded at the α = 0.05 significance level? a. What is the correct statistical test to use? Goodness-of-Fit Paired t-test Homogeneity Independence b. What are the null and alternative hypotheses? Ho: O The distribution of blood types is not the same for each branch of the military. Blood type and branch of the military are independent. Blood type and branch of the military are dependent. The distribution of blood types is the same for each branch of the military. H₁: O The distribution of blood types is not the same for each branch of the military. The distribution of blood types is the same for each branch of the military. Blood type and branch of the military are independent. Blood type and branch of the military are dependent. c. The test-statistic for this data = show your answer to three decimal places.) (Please d. The p-value for this sample = (Please show your answer to four decimal places.) e. The p-value is Select an answer ✰ α f. Based on this, we should accept the null fail to reject the null reject the null g. Thus, the final conclusion is... There is insufficient evidence to conclude that the distribution of blood types is not the same for each branch of the military. There is sufficient evidence to conclude that blood type and branch of the military are
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A researcher is interested in investigating whether the
military branch a person signs up for and the person's blood
type are dependent. The table below shows the results of a
survey.
Frequencies of Military Branch and
Blood Type
O
A
B
AB
Army
91
65
45
29
Navy
132
62
40
25
Air Force
91
87
68
26
Marines
100
86
49
28
What can be concluded at the α = 0.05 significance level?
a. What is the correct statistical test to use?
Goodness-of-Fit
Paired t-test
Homogeneity
Independence
b. What are the null and alternative hypotheses?
Ho:
O The distribution of blood types is not the same
for each branch of the military.
Blood type and branch of the military are
independent.
Blood type and branch of the military are
dependent.
The distribution of blood types is the same for
each branch of the military.
H₁:
O The distribution of blood types is not the same
for each branch of the military.
The distribution of blood types is the same for
each branch of the military.
Blood type and branch of the military are
independent.
Blood type and branch of the military are
dependent.
c. The test-statistic for this data =
show your answer to three decimal places.)
(Please
d. The p-value for this sample =
(Please show
your answer to four decimal places.)
e. The p-value is Select an answer ✰ α
f. Based on this, we should
accept the null
fail to reject the null
reject the null
g. Thus, the final conclusion is...
There is insufficient evidence to conclude that
the distribution of blood types is not the same
for each branch of the military.
There is sufficient evidence to conclude that
blood type and branch of the military are
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