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The video does a nice job examining Zillow pricing and the accuracy of their Zestimate feature. The above Real Estate information on are Zillows home value estimates accurate was provided by Bill Gassett, a Nationally recognized leader in his field.
âThe point estimate of the population mean Î¼ is the sample mean Ëy. For large random samples, by the Central Limit Theorem, the sampling distribution of is approximately normal. So, for large samples, we can find a margin of error by multiplying a z-score from the normal distribution by the standard error.