Topic 5 Review

Topic 5 Review - SamplingDistributions...

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Sampling Distributions Sampling Distributions Chapter 18: Chapter 18:
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Normal Distribution N(μ, σ ) 68-95-99.7 Z score:   invNorm Normalcdf Unusual? σ μ - = x z
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Binomial Distribution and n is  LARGE? Use a normal model!! Calculate the mean and standard deviation.   (Where do you find the formulas?) Set up, find z score, and then normalcdf
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Sum and Difference of two  Normal Models Find the mean and standard deviation.  (How?) Set up, find z score, and normalcdf. If it is a difference problem, use 0 to decide larger  vs. smaller.
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Sampling Distribution with  Proportions Check conditions! Randomization,  Independence, 10%,  Success/Failure Calculate mean and standard deviation. Set up, calculate z score, and normalcdf.
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Means Check conditions! Randomization, 
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Topic 5 Review - SamplingDistributions...

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