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HOMEWORK
Assignment Instructions
Mini- Study Part II
Answer the questions below about your data adhering to the outlined criteria in complete sentences. Cite any outside sources that are used.
Item Description
1 Treat your data just as you would one of the datasets from the homework. Be sure you include appropriate measures of central tendency and dispersion etc.
2 Construct a frequency distribution using 5 –8 classes.
3 Create 2 different but appropriate visual representations of your data (pie chart, bar graph, etc). You MUST use Excel to do this.
4 Complete the calculations for the 8 statistics you identified in your worksheet in week 3. You MUST use Excel to do this.
5 Write a brief paragraph describing the meaning or interpretation for EACH of the statistics. For example, if some of the statistics chosen were the mean, median and mode, which is the best measure?
6 Construct a 95% Confidence Interval to estimate the population mean/proportion in the claim.
7 Complete the calculations for the 8 statistics you identified in your What can you conclude from this result regarding the topic?
8 Write up the responses to these questions in an APA paper between 500-1,000 words.
Length/Formatting Instructions
Length 500-1,000 Words
Font 12 point , Calibri Font, no more than 1″ margins
Program/File Type Submit in Word
Attachments Should be pasted into the Word document if possible.
Referencing system APA referencing system is necessary in assignments, especially material copied from the Internet.
For examples of correct citations, visit the following link:
http://owl.english.purdue.edu/owl/resource/560/01/
File Name Last Name_ First Name_ MA260_ M7
M7 Assignment Grading Rubric
Your work will be evaluated on the following criteria:
CATEGORY Exemplary Satisfactory Unsatisfactory Unacceptable
Confidence Interval: Accurate 95% confidence interval constructed for the data set. 25 points
An accurate 95% confidence level is constructed with no errors. Thorough description of the meaning of the confidence interval is provided containing no errors.
20 points
An accurate 95% confidence level is constructed with at most one minor error. Description of the meaning of the confidence interval is given with no errors.
15 points
An accurate 95% confidence level is constructed with a few minor errors. A minimal description of the meaning of the confidence interval is given but contains minor errors.
4 points
An inaccurate 95% confidence level is constructed. Description of the meaning of the confidence interval is included but contains significant errors.
Conclusions using statistics: A clear conclusion is reached regarding if the claim is valid or not for the data gathered in the survey. 25 points
A clear and thoroughly explained conclusion is reached regarding the validity of the claim.
20 points
A clear and simple conclusion is reached regarding the validity of the claim.
15 points
A conclusion is reached regarding the validity of the claim but minor logical or technical errors are present.
4 points
The conclusion is not clear regarding the validity of the claim. Numerous and/or significant errors are present.
Interpreting Statistical Data: Statistics have been explained in simple terms that are understandable by an audience that is not familiar with statistics. 25 points
The 8 statistics, associated visuals, and confidence interval are explained in simple terms. An audience not familiar with statistics can easily understand the significance of each component and how it relates to the original claim.
20 points
The 8 statistics, visuals, and confidence interval are explained mostly in simple terms. An audience not familiar with statistics can easily understand the significance with minor difficulty.
15 points
The 8 statistics, visuals, and confidence interval are explained but done so in a manner such that an audience not familiar with statistics may not easily understand the significance.
4 points
An attempt was made to explain the 8 statistics, visuals, and confidence interval but an audience not familiar with statistics would not be able to understand the explanation.
Mechanics – Grammar, Punctuation, Spelling 10 points
Student makes no errors in grammar or spelling that distract the reader from the content.
8 points
Student makes 1-2 errors in grammar or spelling that distract the reader from the content.
5 points
Student makes 3-4 errors in grammar or spelling that distract the reader from the content.
2 points
Student makes more than 4 errors in grammar or spelling that distract the reader from the content.
Format – APA Format, Citations, Organization, Transitions 15 points
The paper is written in proper format. All sources used for quotes and facts are credible and cited correctly. Excellent organization, including a variety of thoughtful transitions.
10 points
The paper is written in proper format with only 1-2 errors. All sources used for quotes and facts are credible and most are cited correctly. Adequate organization includes a variety of appropriate transitions.
5 points
The paper is written in proper format with only 3-5 errors. Most sources used for quotes and facts are credible and cited correctly. Essay is poorly organized, but may include a few effective transitions.
2 points
The paper is not written in proper format. Many sources used for quotes and facts are less than credible (suspect) and/or are not cited correctly. Essay is disorganized and does not include effective transitions.
