Answers- Portage Learning
M9: Exam- Requires Respondus LockDown Browser
• Due No due date
• Points 35
• Questions 4
• Time Limit 90 Minutes
• Requires Respondus LockDown
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Attempt History
Attempt Time Score
LATEST Attempt 1 83 minutes 32 out of 35
Score for this quiz: 32 out of
35 Submitted Jul 27 at 5:50pm
This attempt took 83 minutes.
Question 1
pts
You may find the following files helpful throughout the exam:
Statistics_Equation_Sheet (Links to an external site.)
standard normal table (Links to an external site.)
t-table (Links to an external site.)
Critical_values_chart (Links to an external site.)
Suppose you have 28 data points and you calculate the sample correlation coefficient and find that r = .
35. Can you be 95% confident that a linear relation exists between the variables? If so, is the relation
, positive or negative? Justify you answer.