The set of 300 students who returned surveys is an example of a Sample.
<h3>What is a sample?</h3>
Any value calculated from your sample data is referred to as a sample statistic (or simply a statistic). The sample average, median, sample standard deviation, and percentiles are a few examples. Because a statistic is based on data gathered through random sampling, which is a random experiment, it is a random variable.
A sample is an analytical subset of a larger population in statistics. Researchers can conduct their experiments more quickly and with more manageable data by using samples. If the sample size is large enough, there won't be any bias, but getting such a sample might be costly and time-consuming.
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FDR used the radio to speak to the American people. During this time, no individuals had television, movies were just becoming a large thing, so there was no other way to reach the American people all at once other than a news paper. So by FDR doing over the radio and speaking to the American citizens who almost all universally had radios or access to them, it built trust and it built a unity because it showed the American citizens he cares for them.
Answer: The rich ruled and the poor followed behind them.
Explanation: The Inca society was based around strict social classes. Few people had the opportunity to improve their social status. Once a person was born into a social class, that was where they would remain for the rest of their life.
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The age of exploration(also called The age of discovery) was between the early 15th century and the early 17th century.European ships traveled around the word to find new trading routes to india and much of the far east and the americas and trading partners.Other things they were searching for was gold,silver, and spices.During this,they met many people and mapped unknown territory.Some of the famous explorers were:Christopher Columbus,Vasco de Gamas,Pedro Alvarez Cabral,John Cabot,Yermak,Juan Ponce de Leon,Juan Sebastian Elcano,Barthalomeu Dias,Ferdinand Magellan, Willem Barentsz, Abel Tasman, Jean Alfonse, Jacques Cartier, Samuel de Champlain, Willem Jansz and Captain James Cook.
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