NO PLAGIARISM DUE THURSDAY FEBRUARY 28, 2019. PLEASE BE PROFICIENT IN STATISTICS

NO PLAGIARISM.  PLEASE BE PROFICIENT IN STATISTICS.  ATTACHED IS INSTRUCTOR GUIDANCE FOR GUIDANCE.

 The length of each essay should be one to two double-spaced pages  (excluding title and reference pages).  Use 12-point font and format  your paper with regular 1-inch margins.  Do not include the essay prompt  in your document.  It will not count toward the length requirement for  your essays. 

 

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Essay 2
A researcher has investigated the relationship between IQ and grade point average (GPA) and found the correlation to be .75.

For this essay, critique the results and interpretation of a correlational study. Evaluate the correlational result and identify the strength of the correlation.  Examine the assumptions and limitations of the possible connection between the researcher’s chosen variables.  Identify and describe other statistical tests that could be used to study this relationship.

Your essay response must address the following questions: How strong is this correlation?  Is this a positive or negative correlation? What does this correlation mean? Does this correlation imply that individuals with high Intelligence Quotients (IQ) have high Grade Point Averages (GPA)? Does this correlation provide evidence that high IQ causes GPA to go higher?  What other variables might be influencing this relationship? What is the connection between correlation and causation? What are some of the factors that affect the size of this correlation? Is correlation a good test for predicting GPA?  If not, what statistical tests should a researcher use, and why?