Mathematics, 16.02.2021 01:00 zumar
The Princeton review claims that students who take their course improve their GRE scores, on average, by 210 points. Researchers wonder if studying on your own will lead to a different average gain. They select five students from their university and give them a practice test before and after two months of self-study. This group improved their GRE score, on average, by 162 points with a standard deviation of 9 points. What test should the researcher use to determine whether or not this is a meaningful difference
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David bought a poster for an art project. the poster is 2.7 feet wide and 3.9 feet tall. what is the area of the poster?
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How do you use the elimination method for this question? explain, because i really want to understand!
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Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers
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