Sujay Is Conducting a Research on a Group of Factory

question 73

Multiple Choice

Sujay is conducting a research on a group of factory machinists as part of a study on workplace stress and heart disease. Before conducting his study, he explains the objective of the study to the subjects and tells them what they would need to do. He gives them the opportunity to choose if they want to participate or not. In other words, Sujay is seeking __________.

• A)reinforcement
• B)informed consent
• C)a placebo effect
• D)participant exclusion

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Definitions:

Estimated Lifetimes

Predicted duration or span of operation of a product or system based on statistical analysis.

Histogram

A graphical representation of the distribution of numerical data, where the data is grouped into ranges and each range corresponds to a vertical bar.

Stemplots

A graphical representation of data used to display its shape and distribution, by separating each data value into a stem and a leaf.

Home Runs

In baseball, a hit that allows the batter to circle all the bases, reaching home safely in one play without any errors being committed by the defensive team.