An article in a professional journal reports the zscore for the study's sample mean was -1.4.The authors also reported their sample mean was 97 with a sample size of 49 and the population mean was 102.However, they did not give the population standard deviation.What was their population standard deviation?

Question

An article in a professional journal reports the z­score for the study's sample mean was -1.4.The authors also reported their sample mean was 97 with a sample size of 49 and the population mean was 102.However, they did not give the population standard deviation.What was their population standard deviation?

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The Answer of An article in a professional journal reports the z­score for the study's sample mean was -1.4.The authors also reported their sample mean was 97 with a sample size of 49 and the population mean was 102.However, they did not give the population standard deviation.What was their population standard deviation?

An Article in a Professional Journal Reports the Z­score for the Study's

An Article in a Professional Journal Reports the Zscore for the Study's