MA270C Assignment 4

Assignment 04

MA270 Statistical Analysis II

Directions:  Be sure to make an electronic copy of your answer before submitting it to Ashworth College for grading.  Unless otherwise stated, answer in complete sentences, and be sure to use correct English spelling and grammar.  Sources must be cited in APA format. Your response should be four (4) double‐spaced pages; refer to the "Assignment Format" page for specific format requirements.

 

Please provide the following information to check your understanding of the course material for this course:

 

Part A        Explain the relevance and significance of samples, sample sizes, and populations as they impact studies and research. Include a discussion about the various types of sampling used and examine common necessary elements of survey validity. Include arguments for and against various scenarios as they relate to criteria choice in research design.

 

Part B        Discuss the shapes and significance of plotting quantitative data. Include two original examples using pictures as a means of explanation. Express the strengths and weaknesses of visual depictions of quantitative data.

 

Part C        Discuss correlation, necessary conditions, and properties, best-fit lines, and explain how to ensure proper model usage.