You Are Attempting to Estimate the Average Amount a Family

question 55

Essay

You are attempting to estimate the average amount a family spends on food during a year.In the past,the standard deviation of the amount a family has spent on food during a year has been approximately $1200.If you want to be 99% sure that you have estimated average family food expenditures within $60,how many families do you need to survey?

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Definitions:

Average-Total-Cost Curve

A graph that displays the mean total cost of manufacturing across various output quantities, generally characterized by a U-shape because of the effects of economies and diseconomies of scale.

Long-Run Time Period

A duration in economics where all factors of production and costs are variable, allowing for complete adjustment.

Economies Of Scale

The economical benefits that businesses gain from their operation size, typically resulting in lower costs per unit of output as the scale expands.

Specialization

The process of focusing efforts and resources on a limited number of activities to increase efficiency and productivity.