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:

Complex Fraction

A type of fraction in which either the top number, the bottom number, or both are fractions themselves.

Simplify

The process of reducing an expression or equation to its simplest form, by performing arithmetic operations and eliminating complex parts.

Complex Fraction

A fraction where the numerator, the denominator, or both contain fractions.

Simplify

The process of expressing something in a more comprehensible or simpler form, in mathematics, typically reducing an expression to its simplest form.