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# Birth weights (a) Sketch a possible graph of the

ISBN: 9781429245593 85

## Solution for problem R7.2 Chapter 7

The Practice of Statistics | 4th Edition

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The Practice of Statistics | 4th Edition

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Problem R7.2

Birth weights (a) Sketch a possible graph of the distribution of sample data for an SRS of size 5 with a range of 1000 grams. (b) Explain why the dotplot of sample ranges above is not the actual sampling distribution of the sample range. s Determine whether a statistic is an unbiased estimator of a population parameter. s Understand the relationship between sample size and the variability of an estimator.

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PSYCH STATS POWERPOINT 5 ● the standard deviation tells us the typical, or standard, distance from the mean ● describes how spread out scores are in a distribution ● if the standard deviation is small, there’s not a lot of variability ○ if the standard deviation is big, there’s a lot of...

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