Number of Fish Tanks

question 139

Essay

Number of Fish Tanks
The following data give the number of fish tanks owned for a population of 4 families. ​ ​
-{Number of Fish Tanks Narrative} A sample of size 2 is drawn at random from the population.Use the formulas and to calculate the mean and the standard deviation of the sampling distribution of the sample means.
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Definitions:

After-Tax Discount Rate

The discount rate that takes into account the effect of taxes on the net income from an investment.

Straight-Line Depreciation

A tactic for parceling out the expense of a tangible asset through its effective duration in equal yearly quotas.

Initial Investments

The upfront funds required to start a project, purchase assets, or invest in a new venture.

Working Capital

The difference between a company's current assets and current liabilities, indicating the liquidity available to run day-to-day operations.