A Statistician Wants to Determine the Average Annual Gross National

question 12

Essay

A statistician wants to determine the average annual Gross National Product for countries in Africa.He samples the 20 largest (in terms of population)African countries over 10 years,and gets their quarterly G.N.P results for each quarter of each year.The statistician is criticized because the sample is not representative.Explain why.

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Definitions:

Roosevelt

A surname associated with two prominent American presidents, Theodore Roosevelt and Franklin D. Roosevelt, who served in the early and mid-20th century, respectively.

President

The elected head of a republican state, often holding the highest executive authority within the government structure.

First New Deal

A series of programs, public work projects, financial reforms, and regulations enacted by President Franklin D. Roosevelt in the 1930s, aimed at restoring prosperity to Americans during the Great Depression.

Policy Experiments

Trials or pilot programs undertaken by governments, organizations, or researchers to test new ideas, policies, or interventions before wider implementation to assess their effectiveness and outcomes.