On the midnight shift, the number of patients with head trauma in an emergency room has the probability distribution shown below. 1 2. 4. Total P(x) .09 38 28 .16 .06 .03 1.00 (a) Calculate the mean and standard deviation. (Round your mean value to 2 decimal places and standard deviation to 3 decimal places.) Mean 172 Standard deviation (b) Describe the shape of this distribution. Skewed to the right OSkewed to the left Symmetric

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.