Module 5 Quiz_ ALY6010 70485 Prob Theory and Intro Stats SEC 07 Fall 2023 CPS [SJO-B-HY]

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Northeastern University *

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6010

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2/21/24, 9:59 PM Module 5 Quiz: ALY6010 70485 Prob Theory and Intro Stats SEC 07 Fall 2023 CPS [SJO-B-HY] https://northeastern.instructure.com/courses/160588/quizzes/552248 1/3 Due No due date Points 40 Questions 4 Time Limit None Instructions Attempt History Attempt Time Score LATEST Attempt 1 5 minutes 40 out of 40 Score for this quiz: 40 out of 40 Submitted Dec 4, 2023 at 6:30pm This attempt took 5 minutes.  Do not leave the test before clicking Save and Submit. Module 5 Quiz  Syllabus (https://northeastern.instructure.com/courses/160588/assignments/syllab  Modules (https://northeastern.instructure.com/courses/160588/modules)  Optional Resources (https://northeastern.instructure.com/courses/160588/pages/o  Assignments (https://northeastern.instructure.com/courses/160588/assignments)            

2/21/24, 9:59 PM Module 5 Quiz: ALY6010 70485 Prob Theory and Intro Stats SEC 07 Fall 2023 CPS [SJO-B-HY] https://northeastern.instructure.com/courses/160588/quizzes/552248 2/3 Question 1 10 / 10 pts random Correct! negative positive linear  Question 2 10 / 10 pts True Correct! False  Question 3 0 / 10 pts -2.856 You Answered +2.856 Correct Answer In a ____________ relationship, as one variable increases, the other variable decreases, and vice versa. A correlation coefficient of 0.831 would mean that the values of x increase as the values of y decrease. A psychologist wants to determine if there is a linear relationship between the number of hours a person goes without sleep and the number of mistakes he/she makes on a simple test. The following data is recorded. Determine the slope of the regression line.

2/21/24, 9:59 PM Module 5 Quiz: ALY6010 70485 Prob Theory and Intro Stats SEC 07 Fall 2023 CPS [SJO-B-HY] https://northeastern.instructure.com/courses/160588/quizzes/552248 3/3 -2.768 -6.741  Question 4 10 / 10 pts Correct! mean mode variance median Quiz Score: 40 out of 40 This quiz score has been manually adjusted by +10.0 points. When r is not significantly different from 0, the best predictor of y is the ________ of the data values of y .

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Module 5 Quiz_ ALY6010 70485 Prob Theory and Intro Stats SEC 07 Fall 2023 CPS [SJO-B-HY]

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