Suppose a Random Sample of N = 36 Measurements Is $$\sigma ^ { 2 } = 144 \text {. Find the mean and standard deviation of the sampling distribution of the sample mean } \bar { x }$$

question 47

Essay

Suppose a random sample of n = 36 measurements is selected from a population with mean μ = 256 and variance $$\sigma ^ { 2 } = 144 \text {. Find the mean and standard deviation of the sampling distribution of the sample mean } \bar { x }$$

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Definitions:

Fixed Costs

Fixed costs are business expenses that remain constant regardless of the level of production or sales.

Average Variable Cost

The total variable cost divided by the quantity of output produced.

Output

The amount of goods or services produced by a company, sector, or economy.

Fixed Cost

Costs that do not vary with the level of output or production, such as rent, salaries, and insurance premiums.