Suppose That in One Town,50-Year Old Men Have a Mean

question 59

Multiple Choice

Suppose that in one town,50-year old men have a mean weight of 80 kg with a standard deviation of 7 kg.30-year old men have a mean weight of 71 kg with a standard deviation of 6 kg.How much heavier do you expect a 50-year old man to be than a 30-year old man and what is the standard deviation of this difference?

• A)80 kg,7 kg
• B)9 kg,3.61 kg
• C)151 kg,4.31 kg
• D)9 kg,9.22 kg
• E)9 kg,13 kg

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Definitions:

Productivity Differences

Variations in the efficiency of production processes or workers, impacting the output generated from a set amount of inputs.

Private Ownership

The legal right of individuals or corporations to own property and assets, distinguishing from public or state ownership.

Allocation Mechanism

The process or system used to determine how resources are distributed and goods and services are allocated in an economy.

Incentive Function

A principle or mechanism designed to motivate individuals or entities to act in a desired manner by offering rewards or consequences.