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In: Math
3. Use the data from question 1. Conduct a hypothesis test at α = .05 to...
3. Use the data from question 1. Conduct a hypothesis test at α = .05 to determine if the population variance is less than 909.00.
Question 1- 1. Consider the following sampled data: s 2 = 906.304, n = 31. Calculate the following confidence intervals for the population variance: (a) 90% (b) 95% (c) 99%
Solutions
milcah answered 1 year agoRelated Solutions
Use the data from question 1. Conduct a hypothesis test at α = .01 to determine...
Use the data from question 1. Conduct a hypothesis test at α =
.01 to determine if the population variance is greater than
904.75.
Question 1: 1. Consider the following sampled data: s 2 =
906.304, n = 31. Calculate the following confidence intervals for
the population variance: (a) 90% (b) 95% (c) 99%
Test at α =.05 the hypothesis that a majority (more than 50%) of students favor the...
Test at α =.05 the hypothesis that a majority (more than 50%) of
students favor the plus/minus grading system at a university if in
a random sample of 400 students, 216 favor the system?
Using the SATGPA data set in Stat2Data package. Test by using α= .05. 1) Create the...
Using the SATGPA data set in Stat2Data package. Test by using α=
.05.
1) Create the following three variables and then print out all
the six variables.
Create a new variable “SAT”, which is the sum of MathSAT and
VerbalSAT.
Create second new variable “SATLevel”, and assign the value of
“SATLevel” as 1 when
SAT<=1100, 2 when
1100<SAT<=1200, 3 when 1200<SAT<=1300, and 4 when
SAT>1300.
Create third new variable “GPALevel” and assign the value of
“GPALevel” as 1 when
GPA<=2.8,...
At α = .05, test to determine if the means of the three populations (from which...
At α = .05, test to determine if the means of the three
populations (from which the following samples are selected) are
equal.
Sample 1
Sample 2
Sample 3
60
84
58
78
80
57
72
79
67
66
81
66
a) Calculate the MSTR
b) Calculate the MSE
c) Calculate the F-statistic
d) Determine the p-value of the F-statistic
e) Using a 0.05 level of significance, what would you advise the
dietician about the effectiveness of the three diets?
Please conduct an independent-sample t-test, α = .05. Two persons are arguing about the size of...
Please conduct an independent-sample t-test, α =
.05.
Two persons are arguing about the size of different breeds of
dogs. One believes that German Shepherds are larger than Huskies,
while the other person believes the opposite is true. So they
conducted a study to see which one of them is correct by randomly
sampling and weighting 10 dogs of each breed they saw on a Sunday
afternoon in their community. This is an independent-sample case.
The data are as follows:...
Using the Sample Hypothesis Test Data and Chi-Square Data with a .05 level of significance, provide...
Using the Sample Hypothesis Test Data and Chi-Square Data with a
.05 level of significance, provide a summary report for the Vice
President including the following information in an essay with a
minimum of 500 words:
Two-Sample Hypothesis Test: Discuss the hypothesis test
assumptions and test used. Provide the test statistic and p-value
in your response. Evaluate the results of the hypothesis test with
the scenario. Provide recommendations for the Vice President.
Chi-square Hypothesis Test: Discuss the hypothesis test
assumptions...
Using the Sample Hypothesis Test Data and Chi-Square Data with a .05 level of significance, provide...
Using the Sample Hypothesis Test Data and Chi-Square Data with a
.05 level of significance, provide a summary report for the Vice
President including the following information:
Two-Sample Hypothesis Test: Discuss the hypothesis test
assumptions and test used. Provide the test statistic and p-value
in your response. Evaluate the results of the hypothesis test with
the scenario. Provide recommendations for the Vice President.
Chi-square Hypothesis Test: Discuss the hypothesis test
assumptions and test used. Provide the test statistic and p-value...
Using the Sample Hypothesis Test Data and Chi-Square Data with a .05 level of significance, provide...
Using the Sample Hypothesis Test Data and Chi-Square Data with a
.05 level of significance, provide a summary report including the
following information:
Two-Sample Hypothesis Test: Discuss the hypothesis test
assumptions and test used. Provide the test statistic and p-value
in your response. Evaluate the results of the hypothesis test with
the scenario.
Chi-square Hypothesis Test: Discuss the hypothesis test
assumptions and test used. Provide the test statistic and p-value
in your response. Evaluate the results of the hypothesis test...
Conduct a regression and correlation hypothesis test step 1 to step 5 on the data below...
Conduct a regression and correlation hypothesis test step 1 to
step 5 on the data below before you answer each question. The
number of fat calories and number of saturated fate grams for a
random selection of nonbreakfast entrees are shown below. Use a .05
level of significance.
Y X
9 190
8 220
13 270
17 360
23 460
27 540
What is the null and alternative hypotheses step one?
a. H0: There is no relationship.
H1: There is...
Conduct a regression and correlation hypothesis test (step 1 to 5) on the data below before...
Conduct a regression and correlation hypothesis test (step 1 to
5) on the data below before you answer each
question.
The number of fat calories and number of saturated fat grams for a
random selection of nonbreakfast entrees
are shown below. Use a .05 level of significance.
y x
9 190
8 220
13 270
17 360
23 460
27 540
What is the p value for this problem?
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