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ENCN205-25S2 - Applied Data Analysis for Civil and Natural Systems
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Question 5: For Task 2, please find the best description of the Null and Alternative hypothesis
Question 4: For Task 2, please choose the most appropriate type of hypothesis test.
Question 2: For Task 1, please find the best description of the Null and Alternative hypothesis
Question 1: For Task 1, please choose the most appropriate type of hypothesis test.
Part A, Question 2: Match the numbers in the graphs and the terminologies used in hypothesis test
Part A, Question 1: Match the numbers in the graphs and the terminologies used in hypothesis test
Part B, Question 2:
Use the samples listed in the table to decide whether there is a significant difference in the average customer services response time of two electricity providers A and B. Assume the customer services response time follows normal distribution and select the level of significance as 0.05
A (min)
|
B (min)
|
20.4
|
20.2
|
24.2
|
16.9
|
15.4
|
18.5
|
21.4
|
17.3
|
20.5
|
20.5
|
19.5
|
19.1
|
21.5
|
|
(a) Please choose the most appropriate type of hypothesis test.