A Methods and Measurements Analyst for Timepiece,Inc.needs to develop a time standard for the task of attaching a watch to a wristband.In a preliminary study,he observed one of his employees perform this task five times,with the following results: 
What is the observed time (OT) for this task?
Definitions:
Aptitude Test
A uniform exam intended to evaluate a person's ability to learn skills or knowledge.
Computer Science
The study of algorithms, data structures, software engineering, computer hardware, artificial intelligence (AI), and the theory and application of computing.
Psychological Test
An assessment tool designed to measure cognitive, emotional, and/or behavioral aspects of individuals.
A Sample
A sample refers to a subset of individuals, items, or data taken from a larger population, used for the purpose of analysis to infer conclusions about the population.
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