Question
In: Statistics and Probability
A sample of parts provided the following contingency table data on part quality by production shift....
A sample of parts provided the following contingency table data on part quality by production shift.
Shift Number Good Number Defective
First 368 32
Second 285 15
Third 176 24
Use a=.05 and test the hypothesis that part quality is independent of the production shift. What is your conclusion? Please explain the computation in Excel all the needed functions to resolve the solution so that I can understand the concept of Excel procedures. Explain the computation of the chi-square test statistics for determining whether the column variable independent of the row variable. As well as area in the upper tail and degree of freedom. Thank you very much for your support and help
Solutions
orchestra answered 1 year agoRelated Solutions
Consider the following contingency table of observed frequencies. Complete parts a. through d. below. Click the...
Consider the following contingency table of observed
frequencies. Complete parts a. through d. below.
Click the icon to view the contingency table.
Column Variable
Row Variable C1 C2 C3
R1 11 9 12
R2 11 6 6
a. Identify the null and alternative hypotheses for a
chi-square test of independence with based on the information in
the table. This test will have a significance level of alpha
α=0.01. Choose the correct answer below.
A. H0: The...
Consider the following contingency table that is based on a sample survey. Column 1 Column 2...
Consider the following contingency table that is based on a
sample survey. Column 1 Column 2 Column 3 Row 1 136 90 83 Row 2 96
54 88 Row 3 125 75 110 a. Write the null and alternative hypotheses
for a test of independence for this table. H 0 : Rows and columns
are ; H 1 : Row and columns are . b. Calculate the expected
frequencies for all cells assuming that the null hypothesis is
true. Round...
Consider the following contingency table that is based on a sample survey. column 1 column 2...
Consider the following contingency table that is based on a
sample survey.
column 1
column 2
column 3
row 1
137
86
77
row 2
93
51
86
row 3
126
76
112
a. Write the null and alternative hypotheses
for a test of independence for this table.
H0: Rows and columns are: Independent or dependent
H1: Rows and columns are: Independent or dependent
b. Calculate the expected frequencies for all
cells assuming that the null hypothesis is true.
Round...
Consider the following contingency table that is based on a sample survey. column 1 column 2...
Consider the following contingency table that is based on a
sample survey.
column 1
column 2
column 3
row 1
137
86
77
row 2
93
51
86
row 3
126
76
112
a. Write the null and alternative hypotheses
for a test of independence for this table.
H0: Rows and columns are: Independent or dependent
H1: Rows and columns are: Independent or dependent
b. Calculate the expected frequencies for all
cells assuming that the null hypothesis is true.
Round...
Consider the following contingency table that is based on a sample survey. Column 1 Column 2...
Consider the following contingency table that is based on a
sample survey.
Column 1
Column 2
Column 3
Row 1
139
85
84
Row 2
92
49
90
Row 3
121
80
113
a. Write the null and alternative hypotheses
for a test of independence for this table.
H0: Rows and columns are
dependent/independent
;
H1: Row and columns are
independent/dependent
.
b. Calculate the expected frequencies for all
cells assuming that the null hypothesis is true.
Round your answers...
Consider the following contingency table of observed frequencies. Complete parts a. through d. below. Column Variable...
Consider the following contingency table of observed
frequencies. Complete parts a. through d. below.
Column Variable
Row Variable
C1
C2
C3
R1
7
6
9
R2
11
9
8
a. Identify the null and alternative hypotheses for a
chi-square test of independence with based on the information in
the table. This test will have a significance level of
α=0.05.
Choose the correct answer below.
A.
H0:
The variables
R1,
R2,
C1,
C2,
and
C3
are independent.
H1:
At least one...
Consider the following contingency table of observed frequencies. Complete parts a. through e. below. Column Variable...
Consider the following contingency table of observed
frequencies. Complete parts a. through e. below.
Column Variable
Row Variable
Upper C 1C1
Upper C 2C2
Upper C 3C3
Upper R 1R1
2020
77
1818
Upper R 2R2
88
88
1313
Upper R 3R3
88
1616
6
Click the icon to view the contingency table.a. Identify the
null and alternative hypotheses for a chi-square test of
independence based on the information in the table. This test will
have a significance level of...
Use the provided contingency table and expected frequencies. At alpha equals 0.01, test the hypothesis that...
Use the provided contingency table and expected frequencies. At
alpha equals 0.01, test the hypothesis that the variables are
independent. What is the test statistic?
Result
stretched
not stretched
injury
16(20.979)
24(19.021)
No injury
209(204.021)
180(184.979)
Using the Quality Attributes Table document provided, complete a page table of quality attributes. Individual Assignment...
Using the Quality Attributes Table document provided,
complete a page table of quality attributes.
Individual Assignment – Week Four
Complete the following table:
Attribute Type
Categories within the Attribute Type
Example from the program
Functional attributes
<List the categories of attributes of this type (for example
“Boolean”)>
<Describe an attribute you can measure in your program (for
example, user data integrity)>
Operational attributes
Usability attributes
Business attributes
Structural attributes
The contingency table below shows the results of a random sample of 200 state representatives that...
The contingency table below shows the results of a random sample
of 200 state representatives that was conducted to see whether
their opinions on a bill are related to their party
affiliations.
Test the claim of independence. Use α = .05.
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