Question 1 : Open Air_Traﬃc data SETUP: It is believed...

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12/15/2016 WebCOM™ 2.0 Exam: Assessment: Radulovic: Homework Week 14 Sp16 Student: Brian Tabora Submitted: 12/04/2016 Attempt: 1 Assessment Score Your score on this attempt: 103.5 out of a possible 112.5 ( 92.0%) Graded Score: 103.5 out of a possible 112.5 ( 92.0%) Assessment Time: 1 hours 16 minutes 2 seconds Question Results Question 1 : Open Air_Traﬃc data. SETUP: It is believed that there is more air traﬃc (on average) in December than in January. Given the data your job is to confirm or disprove this assertion. What test/procedure did you perform? Type: Multiple Choice Points Awarded: 4.5/4.5 Your Answer(s): One sided t test Correct Answer(s) :
1/17 Regression Two sided t‑test One sided t test (correct) Confidence Interval Question 2 : Open Air_Traﬃc data. SETUP: It is believed that there is more air traﬃc (on average) in December than in January. Given the data your job is to confirm or disprove this assertion. Statistical interpretation? Type: Multiple Choice Points Awarded: 4.5/4.5 Your Answer(s): P‑value is too large to have a conclusive answer.
12/15/2016 WebCOM™ 2.0 Correct Answer(s) : P‑value is too large to have a conclusive answer. (correct) P‑value is smaller than 5% thus it is conclusive P‑value is too large, we cannot claim that the slope is not zero. Average of data is inconsistent with the claim. P‑value is too large, we are not confident that the averages are different. Question 3 : Open Air_Traﬃc data. SETUP: It is believed that there is more air traﬃc (on average) in December than in January. Given the data your job is to confirm or disprove this assertion. Conclusion? Type: Multiple Choice Points Awarded: 4.5/4.5
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