Mathematics, 17.03.2020 20:53 Jmarie08
1).Calculate T, when sample mean is 120, population mean is 100, standard deviation is 20 and smaple size is 10 using levels of confidence at 0.05. 2). Determine if the sample mean is significantly different from the population mean.
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Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?
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1).Calculate T, when sample mean is 120, population mean is 100, standard deviation is 20 and smaple...
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