Exhibit 7-5 Random Samples of Size 17 Are Taken from a Population

question 98

Multiple Choice

Exhibit 7-5
Random samples of size 17 are taken from a population that has 200 elements, a mean of 36, and a standard deviation of 8.
-Refer to Exhibit 7-5. The mean and the standard deviation of the sampling distribution of the sample means are

• A)8.7 and 1.94
• B)36 and 1.94
• C)36 and 1.86
• D)36 and 8

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Definitions:

Natural Selection

The process by which organisms that are better adapted to their environment tend to survive and produce more offspring, a key mechanism of evolution.

Beak Size

The physical measurement of the length or depth of a bird's beak, which can influence its ability to feed and mate.

Fossil Record

The collection of all known fossils and their placement in chronological order, providing evidence about the history of life on Earth.

Gape Width

The maximum opening distance of the mouth of an animal, often relevant in the context of feeding habits and prey capture.