What is the population mean
A population of scores has standard deviation = 20. In this population, a score of X = 80 corresponds to z = +0.25. What is the population mean?
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Using z-scores, a population with mean = 37 and standard deviation = 8 is standardized so that the new mean is mean = 50 and standard deviation = 10. How does an individual's z-score in the new distribution compare with his/her z-score in the orig
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When the distribution is standardized, what value will be obtained for a score of X = 39 from the original distribution?
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A population of scores has mean = 50. In this population, an X value of 58 corresponds to z = 2.00. What is the population standard deviation?
A population of scores has mean = 44. In this population, an X value of 40 corresponds to z = -0.50. What is the population standard deviation?
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Different between collenchyma and sclerenchyma
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