Which of the Following Critical Values Is Appropriate for a $\sigma = 27$

question 54

Multiple Choice

Which of the following critical values is appropriate for a 98% confidence level where n=7 ; $\sigma = 27$ and the population appears to be normally distributed.

• A) \(z _ { \alpha / 2 } = 2.33\)
• B) \(z _ { \alpha / 2 } = 2.05\)
• C) \(t _ { \alpha / 2 } = 1.96\)
• D) \(t _ { \alpha / 2 } = 2.575\)

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Definitions:

Commodity Resources

Natural resources or goods that are considered valuable in their natural form, such as oil, gold, and agricultural products.

Consumption Per Person

Consumption per person measures the amount of goods and services consumed, on average, by each person within a population.

Replacement Rate

The proportion of a person's pre-retirement income that is paid out by a pension program upon retirement.

Birthrate

The number of live births per thousand of the population in a specified area or time period.