For a Variable with = 25

question 47

Multiple Choice

For a variable with = 25.00, how large should the sample be for a desired 95% confidence interval width of 15?

• A) 7
• B) 11
• C) 43
• D) 121

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Definitions:

Brain Cell

A general term for any of the cells found within the brain including neurons that process and transmit information, and glial cells that provide support and protection for neurons.

Sex Determination

The biological system that determines the development of sexual characteristics in an organism.

Chromosome Number

The total number of chromosomes in a cell of a given species.

Temperature

A measure of the heat or thermal energy of a substance or environment.