A small, manageable number of research subjects that represent the population is Sample.
Sample is basically a small part of whole population.Population is basically includes each unit in the space regarding which the data is to be collected for the research. The main differences between the sample and population results regardless of how well the sampling plan has been designed are as under: To collect data of whole population the researcher needs huge money and time whereas in sampling the researcher devotes comparatively less time than data collcection through population.
The data collected through population is more accurate than data collected through sample because sample is just a representation of population and there may happen that there are units different from the sample in the population. Hence the main difference between sample results and population results is sample results are less accurate than the population results.
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Earth's tilted axis causes the seasons. Throughout the year, different parts of Earth receive the Sun's most direct rays. So, when the North Pole tilts toward the Sun, it's summer in the Northern Hemisphere. And when the South Pole tilts toward the Sun, it's winter in the Northern Hemisphere.
Answer: Each planet spins in an epicycle.
Explanation:
Aristotle and Ptolemy believed that the Earth was the center of the universe and all other planets and the sun rotated around it. Galileo, a very important figure in modern astronomy, disproved this by reporting his finds after using his telescope.
He noted that every planet spins in an epicycle around the sun which would mean that the sun was at the center and the planets rotated around it thereby disproving the Aristotle and Ptolemy.
It is traditional for families to clean their houses and the areas surrounding before the start of the new year. The word 'dust' in Chinese is a homophone for 'old', thus cleaning the house is symbolic of driving away the bad luck of the previous year to allow for a new start.
