If You Have Three Clocks in Your House, and Every

question 44

Multiple Choice

If you have three clocks in your house, and every clock is 10 minutes fast, this is an example of

• A)systematic error.
• B)random error.
• C)measurement error.
• D)a rubber yardstick.

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Definitions:

Extraneous Factors

Variables that can influence the outcome of an experiment but are not the variables being studied.

Control Group

A group in an experiment that does not receive the treatment being tested and is used as a benchmark to measure how the other tested groups do.

Degrees Of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution, crucial for estimating population parameters.

Matched Pairs Experiment

An experimental design where subjects are paired based on certain characteristics, and then one in each pair is randomly assigned to the treatment group, while the other receives the control.