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RES-845 Week 4 DQ 2 Consider Mary's experiment regarding whether learning of 6th graders, statistics homework help
Consider Mary's experiment regarding whether learning of 6th graders on a math lesson is affected by background noise leve ...
RES-845 Week 4 DQ 2 Consider Mary's experiment regarding whether learning of 6th graders, statistics homework help
Consider Mary's experiment regarding whether learning of 6th graders on a math lesson is affected by background noise level. Mary has collected her data. What is the null hypothesis for her study? What is the alternative hypothesis for her study? What are the assumptions that must be met about her data before she can correctly use an independent t-test to test the hypotheses? Why? How would she see if her data met these assumptions? How much room does she have to violate any of these assumptions and still get accurate results from the t-test? Explain and support your answers.Please respond to the above question using 250 words. Please also use at least 1 reference that is from a peer reviewed article or journal not a website reference. Please also cite the reference in APA 6th edition format. This is tid into the other assignment yu re completing for me (RES-845 Week 4 DQ 1)
3 pages
Solution Case Analysis
The decision tree for Mexton Machines is shown below Cash flow related to purchase or sale of the Wiltham site in Year 2 o ...
Solution Case Analysis
The decision tree for Mexton Machines is shown below Cash flow related to purchase or sale of the Wiltham site in Year 2 occur at the end of the year
University of Phoenix Statistical Data in Crime Research Paper
Assignment Content
Statistical data is used to solve crime and find patterns of behavior. This is especially relevant when ...
University of Phoenix Statistical Data in Crime Research Paper
Assignment Content
Statistical data is used to solve crime and find patterns of behavior. This is especially relevant when working to develop new policies. You have been asked to submit a proposal to your local city council in support of a community or proactive policing. In this assignment you will provide some context related to the collection, analysis, and application of data in creating policies.
Research a program in community policing or proactive policing that you support.
Explain the issues surrounding the collection of data of the selected program.
Share an example of the analysis of that data and explain if you feel it is reliable. Why or why not?
Describe how the use of that data matters as it relates to the interpretation of the data. Explain how that relates to the policy you selected.
Explain how statistical data be utilized in criminal justice policy making.
3 pages
Bus 308 Week 5 Discussion.edited 1
The regression analysis indicated significant outcomes that can be used to predict the winnings of the NASCAR drivers. Fir ...
Bus 308 Week 5 Discussion.edited 1
The regression analysis indicated significant outcomes that can be used to predict the winnings of the NASCAR drivers. First, using the Top 10 is the ...
BTM8107-8 Statistics II Week 5
Part A. SPSS AssignmentThe “Activity 5.sav” file contains a dataset of a researcher interested in finding the best way ...
BTM8107-8 Statistics II Week 5
Part A. SPSS AssignmentThe “Activity 5.sav” file contains a dataset of a researcher interested in finding the best way to educate elementary age children in mathematics. In particular, she believes that 5th grade girls do better in small class sizes while boys excel in larger classes. Through the school district, she has arranged a pilot program in which some classroom sizes are reduced prior to the state-wide mathematics competency assessment. In the dataset, you will find the following variables:Participant: unique identifierGender: Male (M) or Female (F)Classroom: Small (1) – no more than 10 childrenMedium (2) – between 11 and 19 childrenLarge (3) – 20 or more childrenScore: final score on the statewide competency assessment.To complete this assignmentExploratory Data Analysis.Perform exploratory data analysis on all variables in the data set. Realizing that you have six groups, be sure that your exploratory analysis is broken down by group. When possible, include appropriate graphs to help illustrate the dataset.Compose a one to two paragraph write up of the data.Create an APA style table that presents descriptive statistics for the sample.Factorial ANOVA. Perform a factorial ANOVA using the “Activity 5.sav” data set.Is there a main effect of gender? If so, explain the effect. Use post hoc tests when necessary or explain why they are not required in this specific case.Is there a main effect of classroom size? If so, explain the effect. Use post hoc tests when necessary or explain why they are not required in this specific case.Is there an interaction between your two variables? If so, using post hoc tests, describe these differences.Is there support for the researcher’s hypothesis that girls would do better than boys in classrooms with fewer students? Explain your answer.Write up the results in APA style and interpret them. Be sure that you discuss both main effects and the presence/absence of an interaction between the two.Part B. Applying Analytical Strategies to an Area of Research InterestBriefly restate your research area of interest.Analysis of Covariance. Using your area of interest, identify one dependent and two independent variables, such that the independent variables would likely be covariates. Now, assume you conducted an ANCOVA that shows both the independent variable as well as the covariate significantly predicts the dependent variable. Create a mock ANCOVA output table (see SPSS Output 11.3 in your text for an example) that supports the relationship shown above. Report your mock finding APA style.
Capella University Statistics Multiple Choice Sampling Practice Questions
Test Content
An upper-level sociology class ...
Capella University Statistics Multiple Choice Sampling Practice Questions
Test Content
An upper-level sociology class has 120 registered students: 34 seniors, 57 juniors, 22 sophomores, and 7 freshmen. Imagine that you choose one random student from the classroom (perhaps by using a random number table).
Question 1
2.5 Points
What is the probability that the student will be a junior?
0.475
0.57
0.183
0.283
Question 2
2.5 Points
What is the probability that the student will be a freshman?
0.475
0.058
0.283
0.183
Question 3
2.5 Points
If you are asked to select a proportionate stratified sample of size 30 from the classroom, stratified by class level (senior, junior, etc.), how many students from each group will there be in the sample?
About 1 Freshmen, about 4 Sophomores, about 13 Juniors, about 9 Seniors
About 3 Freshmen, about 7 Sophomores, about 15 Juniors, about 8 Seniors
About 2 Freshmen, about 5 Sophomores, about 14 Juniors, about 8 Seniors
About 3 Freshmen, about 7 Sophomores, about 15 Juniors, about 10 Seniors
Question 4
2.5 Points
If you select a disproportionate sample of size 20 from the classroom, with equal numbers of students from each class level in the sample, how many freshmen will be in the sample?
5
7
9
6
Question 5
2.5 Points
When taking a random sample from a very large population, how does the standard error of the mean change when the sample size is increased from 100 to 1,600?
Smaller by a factor of 2
Larger by a factor of 2
Smaller by a factor of 4
Larger by a factor of 4
Question 6
2.5 Points
When taking a random sample from a very large population, how does the standard error of the mean change when the sample size is decreased from 300 to 150?
Decreases by 1.41
Increases by 1.41
Decreases by 0.71
Increases by 0.71
Question 7
2.5 Points
When taking a random sample from a very large population, how does the standard error of the mean change when the sample size is multiplied by 4?
Decreases by a factor of 4
Increases by a factor of 4
Decreases by a factor of 2
Increases by a factor of 2
The following information presents the number of parolees (per 100,000 people) for 12 of the most populous states as of July 2015.State, Parolees (per 100,000 People)California, 292Texas, 556New York, 288Florida, 28Illinois, 299Pennsylvania, 1,035Ohio, 193Georgia, 334Michigan, 239North Carolina, 130New Jersey, 214Virginia, 27Source: National Institute of Corrections, Correction Statistics by State, 2016
Question 8
2.5 Points
Assume that σ = 226.83 for the entire population of 50 states. Calculate and interpret the standard error. (Consider the formula for the standard error. Since we provided the population standard deviation, calculating the standard error requires only minor calculations.) What is the standard error?
68.45
62.35
64.58
65.48
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Most Popular Content
RES-845 Week 4 DQ 2 Consider Mary's experiment regarding whether learning of 6th graders, statistics homework help
Consider Mary's experiment regarding whether learning of 6th graders on a math lesson is affected by background noise leve ...
RES-845 Week 4 DQ 2 Consider Mary's experiment regarding whether learning of 6th graders, statistics homework help
Consider Mary's experiment regarding whether learning of 6th graders on a math lesson is affected by background noise level. Mary has collected her data. What is the null hypothesis for her study? What is the alternative hypothesis for her study? What are the assumptions that must be met about her data before she can correctly use an independent t-test to test the hypotheses? Why? How would she see if her data met these assumptions? How much room does she have to violate any of these assumptions and still get accurate results from the t-test? Explain and support your answers.Please respond to the above question using 250 words. Please also use at least 1 reference that is from a peer reviewed article or journal not a website reference. Please also cite the reference in APA 6th edition format. This is tid into the other assignment yu re completing for me (RES-845 Week 4 DQ 1)
3 pages
Solution Case Analysis
The decision tree for Mexton Machines is shown below Cash flow related to purchase or sale of the Wiltham site in Year 2 o ...
Solution Case Analysis
The decision tree for Mexton Machines is shown below Cash flow related to purchase or sale of the Wiltham site in Year 2 occur at the end of the year
University of Phoenix Statistical Data in Crime Research Paper
Assignment Content
Statistical data is used to solve crime and find patterns of behavior. This is especially relevant when ...
University of Phoenix Statistical Data in Crime Research Paper
Assignment Content
Statistical data is used to solve crime and find patterns of behavior. This is especially relevant when working to develop new policies. You have been asked to submit a proposal to your local city council in support of a community or proactive policing. In this assignment you will provide some context related to the collection, analysis, and application of data in creating policies.
Research a program in community policing or proactive policing that you support.
Explain the issues surrounding the collection of data of the selected program.
Share an example of the analysis of that data and explain if you feel it is reliable. Why or why not?
Describe how the use of that data matters as it relates to the interpretation of the data. Explain how that relates to the policy you selected.
Explain how statistical data be utilized in criminal justice policy making.
3 pages
Bus 308 Week 5 Discussion.edited 1
The regression analysis indicated significant outcomes that can be used to predict the winnings of the NASCAR drivers. Fir ...
Bus 308 Week 5 Discussion.edited 1
The regression analysis indicated significant outcomes that can be used to predict the winnings of the NASCAR drivers. First, using the Top 10 is the ...
BTM8107-8 Statistics II Week 5
Part A. SPSS AssignmentThe “Activity 5.sav” file contains a dataset of a researcher interested in finding the best way ...
BTM8107-8 Statistics II Week 5
Part A. SPSS AssignmentThe “Activity 5.sav” file contains a dataset of a researcher interested in finding the best way to educate elementary age children in mathematics. In particular, she believes that 5th grade girls do better in small class sizes while boys excel in larger classes. Through the school district, she has arranged a pilot program in which some classroom sizes are reduced prior to the state-wide mathematics competency assessment. In the dataset, you will find the following variables:Participant: unique identifierGender: Male (M) or Female (F)Classroom: Small (1) – no more than 10 childrenMedium (2) – between 11 and 19 childrenLarge (3) – 20 or more childrenScore: final score on the statewide competency assessment.To complete this assignmentExploratory Data Analysis.Perform exploratory data analysis on all variables in the data set. Realizing that you have six groups, be sure that your exploratory analysis is broken down by group. When possible, include appropriate graphs to help illustrate the dataset.Compose a one to two paragraph write up of the data.Create an APA style table that presents descriptive statistics for the sample.Factorial ANOVA. Perform a factorial ANOVA using the “Activity 5.sav” data set.Is there a main effect of gender? If so, explain the effect. Use post hoc tests when necessary or explain why they are not required in this specific case.Is there a main effect of classroom size? If so, explain the effect. Use post hoc tests when necessary or explain why they are not required in this specific case.Is there an interaction between your two variables? If so, using post hoc tests, describe these differences.Is there support for the researcher’s hypothesis that girls would do better than boys in classrooms with fewer students? Explain your answer.Write up the results in APA style and interpret them. Be sure that you discuss both main effects and the presence/absence of an interaction between the two.Part B. Applying Analytical Strategies to an Area of Research InterestBriefly restate your research area of interest.Analysis of Covariance. Using your area of interest, identify one dependent and two independent variables, such that the independent variables would likely be covariates. Now, assume you conducted an ANCOVA that shows both the independent variable as well as the covariate significantly predicts the dependent variable. Create a mock ANCOVA output table (see SPSS Output 11.3 in your text for an example) that supports the relationship shown above. Report your mock finding APA style.
Capella University Statistics Multiple Choice Sampling Practice Questions
Test Content
An upper-level sociology class ...
Capella University Statistics Multiple Choice Sampling Practice Questions
Test Content
An upper-level sociology class has 120 registered students: 34 seniors, 57 juniors, 22 sophomores, and 7 freshmen. Imagine that you choose one random student from the classroom (perhaps by using a random number table).
Question 1
2.5 Points
What is the probability that the student will be a junior?
0.475
0.57
0.183
0.283
Question 2
2.5 Points
What is the probability that the student will be a freshman?
0.475
0.058
0.283
0.183
Question 3
2.5 Points
If you are asked to select a proportionate stratified sample of size 30 from the classroom, stratified by class level (senior, junior, etc.), how many students from each group will there be in the sample?
About 1 Freshmen, about 4 Sophomores, about 13 Juniors, about 9 Seniors
About 3 Freshmen, about 7 Sophomores, about 15 Juniors, about 8 Seniors
About 2 Freshmen, about 5 Sophomores, about 14 Juniors, about 8 Seniors
About 3 Freshmen, about 7 Sophomores, about 15 Juniors, about 10 Seniors
Question 4
2.5 Points
If you select a disproportionate sample of size 20 from the classroom, with equal numbers of students from each class level in the sample, how many freshmen will be in the sample?
5
7
9
6
Question 5
2.5 Points
When taking a random sample from a very large population, how does the standard error of the mean change when the sample size is increased from 100 to 1,600?
Smaller by a factor of 2
Larger by a factor of 2
Smaller by a factor of 4
Larger by a factor of 4
Question 6
2.5 Points
When taking a random sample from a very large population, how does the standard error of the mean change when the sample size is decreased from 300 to 150?
Decreases by 1.41
Increases by 1.41
Decreases by 0.71
Increases by 0.71
Question 7
2.5 Points
When taking a random sample from a very large population, how does the standard error of the mean change when the sample size is multiplied by 4?
Decreases by a factor of 4
Increases by a factor of 4
Decreases by a factor of 2
Increases by a factor of 2
The following information presents the number of parolees (per 100,000 people) for 12 of the most populous states as of July 2015.State, Parolees (per 100,000 People)California, 292Texas, 556New York, 288Florida, 28Illinois, 299Pennsylvania, 1,035Ohio, 193Georgia, 334Michigan, 239North Carolina, 130New Jersey, 214Virginia, 27Source: National Institute of Corrections, Correction Statistics by State, 2016
Question 8
2.5 Points
Assume that σ = 226.83 for the entire population of 50 states. Calculate and interpret the standard error. (Consider the formula for the standard error. Since we provided the population standard deviation, calculating the standard error requires only minor calculations.) What is the standard error?
68.45
62.35
64.58
65.48
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