What is the difference between sample estimate and population parameter. If the sample mean of a distribution was 90 and variance equivalent to 225 what can you say about the population distribution (Use empirical rule)?
Added by Brittany S.
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For example, the sample mean (x̄) is an estimate of the population mean (μ). A population parameter is a numerical characteristic of the entire population, which is often unknown and is estimated using sample statistics. Show more…
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