Refer to the Following Class Marks or Midpoints for a Frequency

question 58

Short Answer

Refer to the following class marks or midpoints for a frequency distribution of "weights of college men" recorded to the nearest pound:
The first three class marks are 105, 115, and 125.
What is the lower limit for the third class? _______

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Definitions:

Eccrine Sweat Glands

Sweat glands that produce a water-based secretion, helping to cool the body through evaporation of sweat.

Negative Feedback Loop

A regulatory mechanism in which a 'stimulus' causes an 'output' action that in turn diminishes or stops the original stimulus.

Arrector Pili Muscles

Small muscles attached to hair follicles that cause hair to stand upright (as in "goosebumps") in response to cold or fear.

Sebaceous Glands

Sebaceous glands are small oil-producing glands in the skin that release sebum into hair follicles, lubricating hair and the surface of the skin.