Question

Biostatstics- Sampling Distribution of the Mean

1. Amoung adults in the U.S, the distribution of albumin levels (albumin is a type of protein) in cerebrospinal fluid is roughly symmetric with mean μ= 29.5mg/100ml and standard deviation σ=9.5mg/100ml. Suppose that you select repeated samples of size 20 from this population and calculate the mean for eachsample.

a) If you were to select a large number of random samples of size 20, what would be the mean of the sample means?

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