A selected member of public office sits at a train station for over two hours recording the time at which trains arrive. He records the following data. Claimed 10:29 10:39 10:49 10:59 11:09 11:19 11:29 11:39 11:49 11:59 12:09 12:19 Arrival Time Actual 10:28 10:44 10:52 10:59 11:11 11:32 11:35 11:43 11:51 12:00 12:14 12:27 Arrival Time Difference 2 13 2 (minutes) The company responsible claims that on an average, train arrives 3 minutes late which they believe is acceptable. Perform a STUDENT t-test at a significance level of 1 % to see if the actual mean is greater than the company claim. 8.
A selected member of public office sits at a train station for over two hours recording the time at which trains arrive. He records the following data. Claimed 10:29 10:39 10:49 10:59 11:09 11:19 11:29 11:39 11:49 11:59 12:09 12:19 Arrival Time Actual 10:28 10:44 10:52 10:59 11:11 11:32 11:35 11:43 11:51 12:00 12:14 12:27 Arrival Time Difference 2 13 2 (minutes) The company responsible claims that on an average, train arrives 3 minutes late which they believe is acceptable. Perform a STUDENT t-test at a significance level of 1 % to see if the actual mean is greater than the company claim. 8.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
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Transcribed Image Text:A selected member of public office sits at a train station for over two hours recording the time at which trains arrive. He records the following data.
10:29
10:39
10:49
10:59
11:19
11:29
11:39
11:49 11:59 12:09 12:19
Claimed
11:09
Arrival
Time
10:44
10:52
10:59
11:35
11:51 12:00 12:14 12:27
Actual
10:28
11:11
11:32
11:43
Arrival
Time
Difference
-1
5
3
2
13
6
2
5
8
(minutes)
The company responsible claims that on an average, train arrives 3 minutes late which they believe is acceptable.
Perform a STUDENT t-test at a significance level of 1 % to see if the actual mean is greater than the company claim.
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