DNP 830 Topic 6 Assignment Working With Inferential Statistics

General Requirements:

This course helps you develop a basic understanding of statistics. Two distinct types of statistics are addressed: descriptive and inferential. In this assignment, you will have the opportunity to use the SPSS program. SPSS makes it easy to analyze data using specific tests. This assignment will give you practice with t-tests and ANOVA. Be sure to review the videos before undertaking this practice.

Use the following information to ensure successful completion of the Working With Inferential Statistics assignment:

For assistance with accessing SPSS, refer to the resources “How to Use SPSS From the GCU Server” and “How to Install SPSS on Your Computer.”
Before beginning this assignment, be sure to view the tutorial videos provided as Topic Materials: (1) SPSS for Beginners 6a: One-Sample T-Tests and Confidence Intervals; (2) SPSS for Beginners 6c: Independent-Samples T-Tests and Confidence Intervals; (3) Oneway ANOVA – SPSS (Part 1); (4) ANOVA 1: Calculating SST (Total Sum of Squares); and (5) Introduction to Statistics: Inferential Statistics.
Doctoral learners are required to use APA style for their writing assignments. The APA Style Guide is located in the Student Success Center.

Directions:

Open SPSS and complete the following:

SPSS Output

Open SPSS and obtain an output (as in the tutorial videos) with the following results highlighted.

Have children exposed to movies created before 1980 caused more injuries than children exposed to movies after 1980?

Which group has caused more injuries: children exposed to movies created between 1937-1960, children exposed to movies created between 1961-1989, or children exposed to movies created between 1990-1999?

Determine the statistics using a one-tailed t-test (for question 1) and ANOVA (for question 2). Be sure to describe how you ensured that the assumptions for each test were met prior to doing the one-tailed t-test and ANOVA. Justify your choice with references.

Data Set:

“Data Set: Violence, Children, and Movies” is provided as a Topic Material.

Summary:

Write a 250-500 word summary of your results and how this statistical analysis may be applied to your prospectus. Use the “Working With Inferential Statistics Template” to present your data and embed the table in your paper. Include your SPSS output as an appendix in the paper.

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Name: Assignment Rubric

	Excellent	Good	Fair	Poor
Summarize your interpretation of the frequency data provided in the output for respondent’s age, highest school grade completed, and family income from prior month. Working With Inferential Statistics	32 (32%) – 35 (35%) The response accurately and clearly explains, in detail, a summary of the frequency distributions for the variables presented. The response accurately and clearly explains, in detail, the number of times the value occurs in the data. The response accurately and clearly explains, in detail, the appearance of the data, the range of data values, and an explanation of extreme values in describing intervals that sufficiently provides an analysis that fully supports the categorization of each variable value. The response includes relevant, specific, and appropriate examples that fully support the explanations provided for each of the areas described.	28 (28%) – 31 (31%) The response accurately summarizes the frequency distributions for the variables presented. The response accurately explains the number of times the value occurs in the data. The response accurately explains the appearance of the data, the range of data values, and explains extreme values in describing intervals that provides an analysis which supports the categorization of each variable value. The response includes relevant, specific, and accurate examples that support the explanations provided for each of the areas described.	25 (25%) – 27 (27%) The response inaccurately or vaguely summarizes the frequency distributions for the variables presented. The response inaccurately or vaguely explains the number of times the value occurs in the data. The response inaccurately or vaguely explains the appearance of the data, the range of data values, and inaccurately or vaguely explains extreme values. An analysis that may support the categorization of each variable value is inaccurate or vague. The response includes inaccurate and irrelevant examples that may support the explanations provided for each of the areas described.	0 (0%) – 24 (24%) The response inaccurately and vaguely summarizes the frequency distributions for the variables presented, or it is missing. The response inaccurately and vaguely explains the number of times the value occurs in the data, or it is missing. The response inaccurately and vaguely explains the appearance of the data, the range of data values, and an explanation of extreme values, or it is missing. An analysis that does not support the categorization of each variable values is provided, or it is missing. The response includes inaccurate and vague examples that do not support the explanations provided for each of the areas described, or it is missing.
Summarize your interpretation of the descriptive statistics provided in the output for respondent’s age, highest school grade completed, race and ethnicity, currently employed, and family income from prior month.	45 (45%) – 50 (50%) The response accurately and clearly summarizes in detail the interpretation of the descriptive statistics provided. The response accurately and clearly evaluates in detail each of the variables presented, including an accurate and complete description of the sample size, the mean, the median, standard deviation, and the size and spread of the data.	40 (40%) – 44 (44%) The response accurately summarizes the interpretation of the descriptive statistics provided. The response accurately explains evaluates each of the variables presented, including an accurate description of the sample size, the mean, the median, standard deviation, and the size and spread of the data.	35 (35%) – 39 (39%) The response inaccurately or vaguely summarizes the interpretation of the descriptive statistics provided. The response inaccurately or vaguely evaluates each of the variables presented, including an inaccurate or vague description of the sample size, the mean, the median, the standard deviation, and the size and spread of the data.	0 (0%) – 34 (34%) The response inaccurately and vaguely summarizes the interpretation of the descriptive statistics provided, or it is missing. The response inaccurately and vaguely evaluates each of the variables presented, including an inaccurate and vague description of the sample size, the mean, the median, the standard deviation, and the size and spread of the data, or it is missing.
Written Expression and Formatting – Paragraph Development and Organization: Paragraphs make clear points that support well-developed ideas, flow logically, and demonstrate continuity of ideas. Sentences are carefully focused—neither long and rambling nor short and lacking substance. A clear and comprehensive purpose statement and introduction is provided which delineates all required criteria.	5 (5%) – 5 (5%) Paragraphs and sentences follow writing standards for flow, continuity, and clarity. A clear and comprehensive purpose statement, introduction, and conclusion is provided which delineates all required criteria.	4 (4%) – 4 (4%) Paragraphs and sentences follow writing standards for flow, continuity, and clarity 80% of the time. Purpose, introduction, and conclusion of the assignment is stated, yet is brief and not descriptive.	3 (3%) – 3 (3%) Paragraphs and sentences follow writing standards for flow, continuity, and clarity 60%–79% of the time. Purpose, introduction, and conclusion of the assignment is vague or off topic.	0 (0%) – 2 (2%) Paragraphs and sentences follow writing standards for flow, continuity, and clarity < 60% of the time. No purpose statement, introduction, or conclusion was provided.
Written Expression and Formatting – English writing standards: Correct grammar, mechanics, and proper punctuation	5 (5%) – 5 (5%) Uses correct grammar, spelling, and punctuation with no errors.	4 (4%) – 4 (4%) Contains a few (1 or 2) grammar, spelling, and punctuation errors.	3 (3%) – 3 (3%) Contains several (3 or 4) grammar, spelling, and punctuation errors.	0 (0%) – 2 (2%) Contains many (≥ 5) grammar, spelling, and punctuation errors that interfere with the reader’s understanding.
Written Expression and Formatting – The paper follows correct APA format for title page, headings, font, spacing, margins, indentations, page numbers, parenthetical/in-text citations, and reference list.	5 (5%) – 5 (5%) Uses correct APA format with no errors.	4 (4%) – 4 (4%) Contains a few (1 or 2) APA format errors.	3 (3%) – 3 (3%) Contains several (3 or 4) APA format errors.	0 (0%) – 2 (2%) Contains many (≥ 5) APA format errors.
Total Points: 100 : Working With Inferential Statistics Paper

Excellent

Good

Fair

Poor

Summarize your interpretation of the frequency data provided in the output for respondent’s age, highest school grade completed, and family income from prior month.

Working With Inferential Statistics

32 (32%) – 35 (35%)

The response accurately and clearly explains, in detail, a summary of the frequency distributions for the variables presented.

The response accurately and clearly explains, in detail, the number of times the value occurs in the data.

The response accurately and clearly explains, in detail, the appearance of the data, the range of data values, and an explanation of extreme values in describing intervals that sufficiently provides an analysis that fully supports the categorization of each variable value.

The response includes relevant, specific, and appropriate examples that fully support the explanations provided for each of the areas described.

28 (28%) – 31 (31%)

The response accurately summarizes the frequency distributions for the variables presented.

The response accurately explains the number of times the value occurs in the data.

The response accurately explains the appearance of the data, the range of data values, and explains extreme values in describing intervals that provides an analysis which supports the categorization of each variable value.

The response includes relevant, specific, and accurate examples that support the explanations provided for each of the areas described.

25 (25%) – 27 (27%)

The response inaccurately or vaguely summarizes the frequency distributions for the variables presented.

The response inaccurately or vaguely explains the number of times the value occurs in the data.

The response inaccurately or vaguely explains the appearance of the data, the range of data values, and inaccurately or vaguely explains extreme values.

An analysis that may support the categorization of each variable value is inaccurate or vague.

The response includes inaccurate and irrelevant examples that may support the explanations provided for each of the areas described.

0 (0%) – 24 (24%)

The response inaccurately and vaguely summarizes the frequency distributions for the variables presented, or it is missing.

The response inaccurately and vaguely explains the number of times the value occurs in the data, or it is missing.

The response inaccurately and vaguely explains the appearance of the data, the range of data values, and an explanation of extreme values, or it is missing.

An analysis that does not support the categorization of each variable values is provided, or it is missing.

The response includes inaccurate and vague examples that do not support the explanations provided for each of the areas described, or it is missing.

Summarize your interpretation of the descriptive statistics provided in the output for respondent’s age, highest school grade completed, race and ethnicity, currently employed, and family income from prior month.

45 (45%) – 50 (50%)

The response accurately and clearly summarizes in detail the interpretation of the descriptive statistics provided.

The response accurately and clearly evaluates in detail each of the variables presented, including an accurate and complete description of the sample size, the mean, the median, standard deviation, and the size and spread of the data.

40 (40%) – 44 (44%)

The response accurately summarizes the interpretation of the descriptive statistics provided.

The response accurately explains evaluates each of the variables presented, including an accurate description of the sample size, the mean, the median, standard deviation, and the size and spread of the data.

35 (35%) – 39 (39%)

The response inaccurately or vaguely summarizes the interpretation of the descriptive statistics provided.

The response inaccurately or vaguely evaluates each of the variables presented, including an inaccurate or vague description of the sample size, the mean, the median, the standard deviation, and the size and spread of the data.

0 (0%) – 34 (34%)

The response inaccurately and vaguely summarizes the interpretation of the descriptive statistics provided, or it is missing.

The response inaccurately and vaguely evaluates each of the variables presented, including an inaccurate and vague description of the sample size, the mean, the median, the standard deviation, and the size and spread of the data, or it is missing.

Written Expression and Formatting – Paragraph Development and Organization:
Paragraphs make clear points that support well-developed ideas, flow logically, and demonstrate continuity of ideas. Sentences are carefully focused—neither long and rambling nor short and lacking substance. A clear and comprehensive purpose statement and introduction is provided which delineates all required criteria.

5 (5%) – 5 (5%)

Paragraphs and sentences follow writing standards for flow, continuity, and clarity.

A clear and comprehensive purpose statement, introduction, and conclusion is provided which delineates all required criteria.

4 (4%) – 4 (4%)

Paragraphs and sentences follow writing standards for flow, continuity, and clarity 80% of the time.

Purpose, introduction, and conclusion of the assignment is stated, yet is brief and not descriptive.

3 (3%) – 3 (3%)

Paragraphs and sentences follow writing standards for flow, continuity, and clarity 60%–79% of the time.

Purpose, introduction, and conclusion of the assignment is vague or off topic.

0 (0%) – 2 (2%)

Paragraphs and sentences follow writing standards for flow, continuity, and clarity < 60% of the time.

No purpose statement, introduction, or conclusion was provided.

Written Expression and Formatting – English writing standards:
Correct grammar, mechanics, and proper punctuation

5 (5%) – 5 (5%)

Uses correct grammar, spelling, and punctuation with no errors.

4 (4%) – 4 (4%)

Contains a few (1 or 2) grammar, spelling, and punctuation errors.

3 (3%) – 3 (3%)

Contains several (3 or 4) grammar, spelling, and punctuation errors.

0 (0%) – 2 (2%)

Contains many (≥ 5) grammar, spelling, and punctuation errors that interfere with the reader’s understanding.

Written Expression and Formatting – The paper follows correct APA format for title page, headings, font, spacing, margins, indentations, page numbers, parenthetical/in-text citations, and reference list.

5 (5%) – 5 (5%)

Uses correct APA format with no errors.

4 (4%) – 4 (4%)

Contains a few (1 or 2) APA format errors.

3 (3%) – 3 (3%)

Contains several (3 or 4) APA format errors.

0 (0%) – 2 (2%)

Contains many (≥ 5) APA format errors.

Total Points: 100 : Working With Inferential Statistics Paper

Name: Working With Inferential Statistics Assignment Rubric

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DNP 830 Topic 6 Assignment Working With Inferential Statistics