Common Sources of Error in Measurement Are

question 4

Multiple Choice

Common sources of error in measurement are:

• A) direct measurement, misleading observations, incorrect measuring instruments.
• B) inaccurate interpretations of behavior, direct observations, limited evaluation methods.
• C) using few measurement methods, indirect observations, untested and inaccurate tools.
• D) indirect measurement, complexity of behavior, observer bias, and sampling error.

---

Definitions:

Normally Distributed

Describes a probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Confidence Interval Estimate

A range of values, derived from sample statistics, used to estimate the true value of a population parameter.

Two Normally Distributed Populations

Refers to two groups or populations where the data points follow a normal distribution, with specific means and standard deviations.

Independent Samples

Two or more samples that are collected from populations, or groups, that do not affect one another and have no relationship between them.