A Researcher Collects Data on the Length of Time Callers

question 7

Multiple Choice

A researcher collects data on the length of time callers have to wait to have their phone call to an advice centre answered. He visits every Thursday for 6 weeks. What type of bias is he most likely to encounter?

• A) Structural bias
• B) Recording bias
• C) Selection bias
• D) Interviewer bias

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Definitions:

Building Contractor

A professional or company responsible for overseeing the construction of buildings, managing materials, labor, and ensuring compliance with building codes and plans.

Construction Engineers

Professionals who design, manage, and oversee projects in the construction sector, ensuring structures are built safely and efficiently.

Conservative Estimator

An estimator that tends to underestimate the parameter of interest to ensure not overestimating it.

Tukey's Multiple Comparison

A statistical test used to find the differences between means in a set of data, while controlling for the error rate.