Question
You are given a contingency table laying out the success and failure amounts of various treatments...
You are given a contingency table laying out the success and failure amounts of various treatments for a disease.
You wish to test the following claim that success of the treatment is independent of the type of treatment.
Which of the following would be your hypotheses?
A.) H 0 : The proportion of success is the same in each treatment. H 1 : The proportion of success is NOT the same in each treatment.
B.) H 0 : Success is independent of treatment. H 1 : Success and treatment are dependent.
C.) H 0 : The proportion of success is NOT the same in each treatment. H 1 : The proportion of success is the same in each treatment.
D.) H 0 : Success and treatment are dependent. H 1 : Success is independent of treatment.
You wish to test the following claim: A population of weights has the last digit (ones-digit) that do NOT occur with the same frequency.
Which of the following would be your hypotheses?
A.) H0:H0:The proportion of each digit occuring is the
same.
H1:H1:The proportion of each digit occuring is NOT the same.
B.) H0:H0:The proportion of each digit occuring is NOT the
same.
H1:H1:The proportion of each digit occuring is the same.
C.)H0:H0:Proportion is not independent of digit.
H1:H1:Proportion is independent of digit.
D.) H0:H0:Proportion is independent of digit.
H1:H1:Proportion is not independent of digit.
Homework Answers
Answer #1
Not the answer you're looking for?
Similar Questions
Use a LaTeX: \chi^2 χ 2 test to test the claim that in the given contingency...
Use a LaTeX: \chi^2
χ
2
test to test the claim that in the given contingency table,
the row variable and the column variable are independent.
Tests for adverse reactions to a new drug yielded the results
given in the table. At the 0.05 significance level, test the claim
that the treatment (drug or placebo) is independent of the reaction
(whether or not headaches were experienced).
Drug Placebo
Headaches 11 7
No Headaches 73 91
Flag this Question
Question 22...
Given the following contingency table, conduct a test for independence at the 1% significance level. (You...
Given the following contingency table, conduct a test for
independence at the 1% significance level. (You may find it
useful to reference the appropriate table: chi-square table or F
table)
Variable A
Variable B
1
2
1
38
43
2
32
62
a. Choose the null and alternative hypotheses.
H0: The two variables are independent.;
HA: The two variables are dependent.
H0: The two variables are dependent.;
HA: The two variables are independent.
b. Calculate the value of the test...
The following data are given for a two-factor ANOVA with two treatments and three blocks. Treatment...
The following data are given for a two-factor ANOVA with two
treatments and three blocks.
Treatment
Block
1
2
A
42
32
B
33
20
C
48
39
Using the 0.05 significance level conduct a test of hypothesis
to determine whether the block or the treatment means
differ.
State the null and alternate hypotheses for treatments.
H0 options:
The means are different.
The means are the same.
The standard deviations are different.
The standard deviations are the same.
H1...
The following data are given for a two-factor ANOVA with two treatments and three blocks. ...
The following data are given for a two-factor ANOVA with two
treatments and three blocks.
Treatment
Block
1
2
A
46
31
B
37
26
C
44
35
Using the 0.05 significance level conduct a test of hypothesis
to determine whether the block or the treatment means differ.
a.
State the null and alternate hypotheses for treatments.
H0
(Click to select)The means are the same.The standard deviations
are the same.The standard deviations are different.The means are...
Consider the following contingency table that records the results obtained for four samples of fixed sizes...
Consider the following
contingency table that records the results obtained for four
samples of fixed sizes selected from four populations.
Population 1
Population 2
Population 3
Population 4
Row 1
38
86
91
72
Row 2
21
55
82
119
Row 3
33
42
80
104
a. Write the null and alternative hypotheses
for a test of homogeneity for this table.
H0: The proportion in each row is (the same? or Not the same?)
for all four populations.
H1: The...
The following table contains the number of successes and failures for three categories of a variable....
The following table contains the number of successes and
failures for three categories of a variable. Test whether the
proportions are equal for each category at the
alpha equals 0.05α=0.05
level of significance.
Category 1Category 1
Category 2Category 2
Category 3Category 3
FailuresFailures
6565
4040
4747
SuccessesSuccesses
5151
4040
5858
LOADING...
Click the icon to view the Chi-Square table of critical
values.
State the hypotheses. Choose the correct answer below.
A.
Upper H 0H0:
The
categories of the variablecategories of...
Check you please answer the following question Many parents have turned to St. John’s wort, an...
Check you please answer the following question
Many parents have turned to St. John’s wort, an herbal remedy,
to treat their children with attention deficit hyperactivity
disorder (ADHD). The Journal of the American Medical
Association (June 11, 2008) published an article that explored
the herb’s effectiveness. Children with ADHD were randomly assigned
to take either St. John’s wort capsules or placebos. The
contingency table below broadly reflects the results found in the
study. (You may find it useful to reference...
Given contingency table for simultaneous occurance of two categorical random variables X (levels A,B,C) and Y...
Given contingency table for simultaneous occurance of two
categorical random variables X (levels A,B,C) and Y (levels
L1,L2,L3)
L1
L2
L3
A
20
40
20
B
40
30
15
C
45
50
30
Determine the marginal probability P ( Y = L 1 )
= (round to the third decimal place)
Determine the conditional probability P ( X = A | Y = L 1 )
= (round to the second decimal place)
Use R to conduct a chi-square test of independence...
The following contingency table shows the distribution of grades earned by students taking a midterm exam...
The following contingency table shows the distribution of grades
earned by students taking a midterm exam in an MBA class,
categorized by the number of hours the students spent studying for
the exam. Complete parts a. and b. below.
TIME SPENT STUDYING
A
B
C
LESS THAN 3 HOURS
4
19
8
3-5 HOURS
18
17
5
MORE THAN 5 HOURS
16
13
4
a. Using APLHA = 0.01 perform a chi-square test to determine if
a student's grade on...
Consider the following contingency table that records the results obtained for four samples of fixed sizes...
Consider the following contingency table that records the
results obtained for four samples of fixed sizes selected from four
populations. Sample Selected From Population 1 Population 2
Population 3 Population 4 Row 1 43 82 110 51 Row 2 28 56 82 113 Row
3 28 49 60 121 a. Write the null and alternative hypotheses for a
test of homogeneity for this table. H 0 : The proportion in each
row is for all four populations. H 1 :...
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
ADVERTISEMENT
Active Questions
asked 1 minute ago
asked 13 minutes ago
asked 17 minutes ago
asked 20 minutes ago
asked 23 minutes ago
asked 27 minutes ago
asked 32 minutes ago
asked 54 minutes ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 2 hours ago