b. Compute the test statistic. Complete the following table of expected counts. (Round your answers to 4 decimal places). Alive Dead Blue Gold Red Compute the value of the test statistic. (Round your answer to 4 decimal places.) x? c. Compute the p-value. (Round your answer to 4 decimal places.) p-value %3D

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Part b and c

b. Compute the test statistic.
Complete the following table of expected
counts. (Round your answers to 4 decimal
places).
Alive
Dead
Blue
Gold
Red
Compute the value of the test statistic. (Round
your answer to 4 decimal places.)
c. Compute the p-value. (Round your answer to 4
decimal places.)
p-value =
%3D
Transcribed Image Text:b. Compute the test statistic. Complete the following table of expected counts. (Round your answers to 4 decimal places). Alive Dead Blue Gold Red Compute the value of the test statistic. (Round your answer to 4 decimal places.) c. Compute the p-value. (Round your answer to 4 decimal places.) p-value = %3D
The color of the Star Trek uniform represents each
crew-member's work area. In the original Star Trek
series, blue shirts are worn by medical and science
staff, gold shirts are worn by the command division,
and the red shirts were worn by engineering,
security and communications division. We will
statistically assess whether there is a connection
between uniform color and the fatality rate. The
table below shows a sample of how many crew-
members in each area have died onscreen and their
shirt color. Use a =
0.05 to test to see if a crew-
member's fatality onscreen is dependent on their
uniform color.
Alive
Dead
Total
Blue
40
8
48
Gold 22
28
Red
29
27
56
Total
91
41
132
a. Choose the correct null and alternative
hypotheses.
O Ho: There is no association between
Star Trek fatalities and uniform color.
H, There is an association between Star
Trek fatalities and uniform color.
Ho: There is an association between
Star Trek fatalities and uniform color.
H. There is no association between Star
Trek fatalities and uniform color.
Transcribed Image Text:The color of the Star Trek uniform represents each crew-member's work area. In the original Star Trek series, blue shirts are worn by medical and science staff, gold shirts are worn by the command division, and the red shirts were worn by engineering, security and communications division. We will statistically assess whether there is a connection between uniform color and the fatality rate. The table below shows a sample of how many crew- members in each area have died onscreen and their shirt color. Use a = 0.05 to test to see if a crew- member's fatality onscreen is dependent on their uniform color. Alive Dead Total Blue 40 8 48 Gold 22 28 Red 29 27 56 Total 91 41 132 a. Choose the correct null and alternative hypotheses. O Ho: There is no association between Star Trek fatalities and uniform color. H, There is an association between Star Trek fatalities and uniform color. Ho: There is an association between Star Trek fatalities and uniform color. H. There is no association between Star Trek fatalities and uniform color.
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