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Course: BIEP 540, Fall 2009
School: UMass (Amherst)
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Word Count: 243

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3 1 Unit Populations and Samples Self Evaluation Quiz 1. Consider the following population comprised of N=5 individuals. The variable measured is the grams of dietary fat consumed in a 24 hour period as determined via a food diary: PERSON 1 2 3 4 5 FAT(g) 130 192 201 185 212 a. Compute the following population parameters (pssst I am asking for values of 2 population parameters, not values of sample...

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3 1 Unit Populations and Samples Self Evaluation Quiz 1. Consider the following population comprised of N=5 individuals. The variable measured is the grams of dietary fat consumed in a 24 hour period as determined via a food diary: PERSON 1 2 3 4 5 FAT(g) 130 192 201 185 212 a. Compute the following population parameters (pssst I am asking for values of 2 population parameters, not values of sample statistics such as X or S - cb): i) ii) iii) iv) mean, variance, 2 standard deviation, median b. If we sample with replacement and choose samples of size n=2 from this population, how many possible samples are there? c. Write down the observations in each of these samples. Compute for each sample of 2 size n=2: (psst I Now am asking for values of sample statistics such as X or S cb): i) ii) iii) iv) d. Mean, X Variance, S2 standard deviation, S median Compute the sampling distribution mean of each of the four sampling distributions in (c) and compare these with the population parameters in (a). psst - This exercise asks you to compute the mean of the collection of means you got in (c), the mean of the collection of variances you got in (c), etc....

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