STA 2014 Week 12 Individual Work | Complete Solution
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Course and Section Number Program of Study
STA 2014
Statistics
STA 2014
Week 12 Individual Work
Assignment Instructions
To complete this assignment:
1.Answer all of the questions below in the space provided.
2.Reflect on the information presented in this week’s lesson and provide an insightful response to each question.
Save and Submit to Dropbox
1.Save your work as a Microsoft Word 2010 (.docx) file that includes your name, course code, and title in the file name. For example: JaneSmith_STA2014_Week12.docx.
2.To submit your assignment, go to the Dropbox and click "Submit Assignment."
3.Click on the drop-down menu to select the Week 12: Individual Work basket in the Dropbox.
Objective: Test hypotheses regarding a single population parameter.
Section 4.1
10. Determine whether the scatter diagram indicates that a linear relation may exist between the two variables. If the relation is linear, determine whether it indicates a positive or negative association between the variables.
Answer:
14. Match the linear correlation coefficient to the scatter diagram. The scales on the x- and y-axes are the same for each diagram.
(a) r = -0.969 (b) r = -0.049 (c) r = -1 (d) r = -0.992
Answer:
24. The TIMMS Exam Part II (See Problem 23): For the 41 nations that participated in TIMMS, the correlation between the percentage of students who skipped class at least once in the past month and the mean score on the exam was -0.52. Does this suggest there is a linear relation between attendance and achievement score? Write a sentence that explains what this result might mean.
Answer:
[Solved] STA 2014 Week 12 Individual Work | Complete Solution
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- Submitted On 18 Feb, 2015 01:08:27
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