Could the Following Sample Reasonably Have Been Drawn from a Normal

question 132

Multiple Choice

Could the following sample reasonably have been drawn from a normal population with a mean of 20 and standard deviation of 1.5 using a = 0.01 2 tail ? X : 21, 21, 21, 20, 22, 20, 22?

• A) yes
• B) no
• C) cannot be tested with z test
• D) The correct answer cannot be determined from the information provided.

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Definitions:

Apprenticeship

A training system that prepares a new wave of professionals in a specific trade or profession through practical, on-the-job training, often supplemented with theoretical studies.

Technical Universities

Institutes of higher education focused primarily on the teaching and research of technical and engineering disciplines.

Coaching Training Method

An approach to instruction where a more experienced person helps guide and develop specific skills of a less experienced person through one-on-one support and feedback.

Behaviour Modelling

The process of learning through observation and replication of others' actions, often used in training to demonstrate desired behaviors.