Use the Following Information for Following Questions

question 9

Essay

Use the following information for following questions:. A researcher wonders whether length of
time that it takes to hail a taxi is affected by the gender of the person hailing the taxi. The researcher used
the following study design to collect data: The researcher chose five busy intersections in a large city and
recorded the number of males and females who hailed a taxi. He also records how long it took to get a
taxi to stop. He finds that male customers waited a shorter period of time than females waited for a taxi.
-Explain why we can or cannot generalize these results to a larger population.

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Definitions:

Buffer

A chemical substance that helps maintain a stable pH in a solution by neutralizing small amounts of added acid or base.

pH

A scale used to specify the acidity or basicity of an aqueous solution, with low values indicating acidity and high values, basicity.

Solutions

Homogeneous mixtures composed of two or more substances where one substance, the solute, is dissolved in another, the solvent.

Proton

A subatomic particle found in the nucleus of an atom, possessing a positive electrical charge.