Quiz 4 F2017 (Covers Chapters 7, 8) - November 9th, 2017 at 16:00 for 24 Hours.pdf - Quiz 4 F2017(Covers Chapters 7 8 November 9th 2017 at 16:00 for 24

Quiz 4 F2017 (Covers Chapters 7, 8) - November 9th, 2017 at 16:00 for 24 Hours.pdf

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29/1/18 11:38 am Quiz 4 F2017 (Covers Chapters 7, 8) - November 9th, 2017 at 16:00 for 24 Hours Page 1 of 8 Home Courses John Molson School of Business Commerce COMM-215-2172-D Week 7 October 18 Quiz 4 F2017 (Covers Chapters 7, 8) - November 9th, 2017 at 16:00 for 24 Hours Question The spread of the sampling distribution of xbar is ________ the spread of thecorresponding population distribution sampling distribution. 1 Correct Mark 1.00 out of 1.00 Started on Thursday, 9 November 2017, 5:56 PM State Finished Completed on Thursday, 9 November 2017, 6:25 PM Time taken 29 mins 17 secs Grade 15.00 out of 15.00 ( 100 %) Select one:a. smaller than b. exactly c. None of the answers are correctd. larger thane. the same asThe correct answer is: smaller than ½
29/1/18 11:38 am Quiz 4 F2017 (Covers Chapters 7, 8) - November 9th, 2017 at 16:00 for 24 Hours Page 2 of 8 Question 2 Correct Mark 1.00 out of 1.00 Question Correct 3 Mark 1.00 out of 1.00 In a random sample of 651 computer scientists who subscribed to a web-based daily news update, it was found that the average salary was \$46,816with a population standard deviation of \$12,557. Calculate a 91 percentconfidence interval for the mean salary of computer scientists. Choose theclosest value from your table. Whenever the population has a normal distribution, the sampling distributionof xbar is a normal or near normal distribution
29/1/18 11:38 am Quiz 4 F2017 (Covers Chapters 7, 8) - November 9th, 2017 at 16:00 for 24 Hours Page 3 of 8