document.write( "Question 1092189: Suppose your statistics instructor gave six examinations during the semester. You received the following grades (percent correct): 80, 77, 82, 83, 94, and 76. Instead of averaging the six scores, the instructor indicated he would randomly select five grades and compute the final percent correct based on the five percents.
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document.write( "a. How many different samples, without replacement, of five test grades are possible?
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document.write( " Different samples ___?
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document.write( "Compute the mean of the sample means and compare it to the population mean. (Round your answers to 3 decimal places.)
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document.write( " The mean of the sample means is ____?\r
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document.write( " The population mean is ____? \r
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document.write( " Both means are
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Algebra.Com's Answer #706752 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! There are 6 tests and the number of ways to choose 5 is 6C5=6 ways. \n" ); document.write( "the mean of the 6 samples will be 82 \n" ); document.write( "The population mean is 82. \n" ); document.write( "Both means are the same, meaning that all the possible samples of a given size will have the same mean as the population mean. \n" ); document.write( " |