Consider a Study Testing Whether Birds Were Equally Likely to Rest

question 25

Multiple Choice

Consider a study testing whether birds were equally likely to rest on each streetlight. Researchers surveyed 30 randomly chosen streetlights in a city known to have many birds and counted the number of birds resting on each streetlight. Data on the number of birds seen on the lights are shown. (Note: No lights had more than three birds.) What is the variance for the number of birds observed on each light?
?
$\begin{array}{|cc|}\hline \begin{array}{l}\text { Number } \\\underline {\text { birds }}\end{array} & \begin{array}{l}\text { Number } \\\underline {\text { of lights }}\end{array} \\0 & 3 \\1 & 12 \\2 & 9 \\\geq 3 & 6 \\\hline\end{array}$

• A) 0.87
• B) 1.27
• C) 1.67
• D) 2.07

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Definitions:

Domestic Imperialism

The concept where a country's dominant group exploits minority groups within its own borders as if they were a colony.

Tariffs

Taxes imposed by a government on imported or exported goods, often used to regulate trade, protect domestic industries, or generate revenue.

Quotas

Limits or targets set on quantities, such as the maximum amount of goods that can be imported or the sales targets for individuals or teams.

Foreign Competition

Refers to the competitive pressure that domestic companies face from foreign companies in the same industry, impacting market share, pricing, and innovation strategies.