The Following Data Represent the Number of Small Cracks Per

question 134

Short Answer

The following data represent the number of small cracks per bar for a sample of eight steel bars:
4 6 10 1 3 1 25 8
a. Find the average number of small cracks per bar.
______________
b. Find the standard deviation for the number of small cracks per bar.
______________

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Definitions:

Sensation

Registration by the sensory organs of physical stimuli from the environment.

Upside Down

A term typically used to describe the orientation of an object, person, or concept as being in the opposite direction from its usual position.

Visible Light

The portion of the electromagnetic spectrum that is visible to the human eye, responsible for the sense of sight.

Nanometers

A unit of measure in the metric system equal to one billionth of a meter, commonly used to describe wavelengths of light and dimensions of microscopic structures.