7) A software company claims that their new software reduces the average time it takes to complete a certain task to 15 minutes. A sample of 25 users is selected, and their task completion times with the software are recorded. Conduct a one-sample t-test at a 0.05 significance level. Here's the data: User 1 2 3 4 5 6 7 8 9 10 11 12 13 # 14 15 Task Completion Time (minutes) 14.5 4.1 4.4 4.0 4.5 2.6 3.8 3.7 4.4 3.7 3.1 2.5 3.6 3.0 3.6
7) A software company claims that their new software reduces the average time it takes to complete a certain task to 15 minutes. A sample of 25 users is selected, and their task completion times with the software are recorded. Conduct a one-sample t-test at a 0.05 significance level. Here's the data: User 1 2 3 4 5 6 7 8 9 10 11 12 13 # 14 15 Task Completion Time (minutes) 14.5 4.1 4.4 4.0 4.5 2.6 3.8 3.7 4.4 3.7 3.1 2.5 3.6 3.0 3.6
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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
Transcribed Image Text:7) A software company claims that their new software reduces the average time it takes to complete a certain
task to 15 minutes. A sample of 25 users is selected, and their task completion times with the software are
recorded. Conduct a one-sample t-test at a 0.05 significance level. Here's the data:
User
1
2
3
4
5
6
7
8
9
10
11
12
13
#
14
15
Task Completion Time (minutes)
14.5
4.1
4.4
4.0
4.5
2.6
3.8
3.7
4.4
3.7
3.1
2.5
3.6
3.0
3.6
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