The Mean Age of All Graduates of a Certain College

question 43

Multiple Choice

The mean age of all graduates of a certain college is 35. If the population distribution is normal, the mean of any sampling distribution of sample mean ages of graduates of this college will be

• A) within plus or minus 1 standard deviation of 35
• B) close to 35
• C) 35
• D) determined by the size of the distribution

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Definitions:

Spongy Mesophyll

The loosely arranged mesophyll cells near the lower epidermis in certain leaves. Compare with palisade mesophyll.

Gas Diffusion

The process by which gas molecules spread from areas of high concentration to areas of low concentration until equilibrium is reached.

Monocot Leaves

Leaves characteristic of monocotyledonous plants, typically exhibiting parallel veins that run the length of the leaf.

Palisade Layer

A layer of closely packed, vertically oriented cells found in the upper part of leaves, containing chloroplasts for efficient photosynthesis.