# Population and Sampling Distribution Excel Worksheet

Feb 3rd, 2012
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For a normal distribution that has a mean of 100, and a standard deviation of 8, determine the Z-score for each of the following X values:

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Name:Date:Topic 2: Population and SamplingDistribution Excel WorksheetDirections: Answer all questions and submit to instructor at the end of Topic 21 A. For a normal distribution that has a mean of 100, anda standard deviation of 8, determine the Z-score for eachof the following X values:X = 108Z=1X = 112Z=1.5X = 98Z=-0.25X = 70Z=-3.75X = 124Z=31 B. Use the information in 1 A. to determine the areap(x > 108)P(z > 1) = normalcdf(1,100) = 0.1587p(x < 98)P(z < -0.25) = 0.4013p(92 < x < 108)z(92) = (92-100)/8 = -1z(108) = (108-100)/8 = 1P(92 < x < 108) = P(-1 < z < 1) = 0.6827p(84 < x < 116)z(84) = (84-100)/8 = -2z(116) = (116-100)/8 = 2P(84 < x < 116) = P(-2 < z < 2) = 0.9545p(x < 84)z(84) = -2P(x < 84) = P(z < -2) = P(-100< z < -2) = 0.02287. Find the mean and standard error of the sample means that is normallydistributed with a mean of 10 and a standard deviation of 2 and a sample size of25.8. Using the above distribution find the probability of a a score less than 11.Q1Q2Q3Q4Q5Q6Q7ample size ofQ8meanSEName: Population and Sampling Distribution Excel WorksheetDescription:For a normal distribution that has a mean of 100, and a standard deviation of 8, determine the Z-score for each of the following X values:

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