Question
In: Statistics and Probability
Come up with a 2 x 2 contingency table for which p^1=p^2 , and for which...
Come up with a 2 x 2 contingency table for which p^1=p^2 , and for which the row and column totals are not the same. Now calculate χ2*. Are you surprised? Why or why not?
Solutions
orchestra answered 2 years agoRelated Solutions
Discussion 1 : Part 2 of 2 : Work in Groups and come up with a...
Discussion 1 : Part 2 of 2 : Work in Groups and come up with a
simple survey for Voice of customer on a new Pho-Let (Phone &
Tablet combined) as to what they think the features and
requirements should be:
1.List the Requirements
2.List the Critical to Quality elements
3.List the Critical to Satisfaction elements
A contingency table, also called a two-way table, is made up of r rows and c...
A contingency table, also called a two-way table, is made up of
r rows and c columns. In general, how many cells are in a
contingency table with r rows and c columns?
1) r x c (r times c)
2) (r-1)(c-1)
3) r + c
In general, how many degrees of freedom are associated with a
contingency table with r rows and c columns?
1) r + c
2) r times c
3) (r-1)(c-1)
When should Fishers Exact Test...
Please read the following made up story and come up with 1 1/2-2 page resolution to...
Please read the following made up story and come up with 1
1/2-2 page resolution to the story
Keeping
organizations properly succeeding is vital in our mission at OTC
(Organizational Theory Consultants). We pride ourselves in being
able to upright the most complex of situations involving various
organizations needing a turn around to keep from failing in their
specific industry. Organizations need to have their culture running
like a well
oiled machine to
avoid any hiccups which can have a...
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...
Task 1 Calculate the following probabilities: a) P (| X | <1.5), P (X> 2), P...
Task 1
Calculate the following probabilities:
a) P (| X | <1.5), P (X> 2), P (X> -1), X: N (0, 1)
-distributed
b) P (-2≤X <7), P (-5≤X≤2), P (X> 0), X: N (1, 9)
-distributed
c) σ * 2, if X: N (2, σ * 2) distributed with P (0 <X <4) =
0.68269.
d) μ, if X: N (μ, 16) distributed with P (X <7) = 0.3265.
exercise 2
Experience shows that the size of the resistors...
X 1 2 3 4 5 P(X) 0.2 0.3 0.1 0.3 a) Finish the probability table...
X
1
2
3
4
5
P(X)
0.2
0.3
0.1
0.3
a) Finish the probability table
b) Define Y = -2X+6 .
c) Calculate E(X) Std(X) E(Y) Std(Y)
When testing for independence in a contingency table with 2 rows and 2 columns at 5%...
When testing for independence in a contingency table
with 2 rows and 2 columns at 5% level of significance, the critical
value of the test statistic is____
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