The Minimum Sample Size N Required to Estimate a Population

question 30

Multiple Choice

The minimum sample size n required to estimate a population mean with 95% confidence and the assumed estimate of the population standard deviation 6.5 was found to be 124. Which of the following is the approximate value of the assumed desired margin of error?

• A) D = 0.9220
• B) D = 0.9602
• C) D = 1.1441
• D) D = 1.3090

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Definitions:

Sterility

The inability to reproduce or produce offspring, often resulting from genetic, physical, or environmental factors.

Breast Lumps

Describes palpable masses of tissue in the breast that can vary in size, shape, and consistency and can be benign or indicative of breast cancer.

Cancerous

Pertaining to or characteristic of cancer; involving cells that are malignant and have the potential to spread and invade other tissues.

Percentage

A ratio or fraction out of 100 used to express quantities.