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The margin of error tends to be smaller, the smaller the sample of a statistical study

The midwest experiences more tornadoes during the summer than during any other season of the year. How do meteorologists use the Jet Stream to explain this?           

Who recognized the importance of the Trade Winds?

Student rankings of cafeteria food as poor, fair, good or excellent are at discrete interval level of measurement

What contributes to the “lake effect” snow that Chicago and NW Indiana experience?

In a statistical study, a sample statistic can be a good estimator of a population parameter

Which describes the general trend of temperature change throughout the atmosphere form bottom to top? 

Temperatures on the Celsius scale are at interval level of measurement

Examine the diagram below.  Which global winds meet at the equator? 

If a sample statistic is reported to be 37% within the margin of error of 5% the range of values likely to contain the population parameter is between  37% and 42%