If a Single Estimate of the Time Required to Complete

question 45

True/False

If a single estimate of the time required to complete an activity is not reliable, the best procedure is to use a mean and standard deviation (or variance) for each activity.

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Definitions:

Ratio Scale

A quantitative measurement scale that has a true zero point and allows for the comparison of absolute magnitudes of numbers.

Absolute Zero

The theoretical temperature at which a system is devoid of all thermal energy, representing the lower limit of the thermodynamic temperature scale, precisely 0 Kelvin or -273.15°C.

Interval Scale

A scale of measurement where the intervals between values are evenly distributed, allowing for meaningful comparisons of differences.

Frequency Distribution

A statistical tool that illustrates how often each value in a set of data occurs.