For adults without known heart disease, the desirable total cholesterol level is less than 200. Between 200 and 239 is categorized as borderline, and above 239 is too high. The following data are from a sample of 825 participants in a study with no prior heart disease. Category Frequency Desirable 234 Borderline 297 Too high 294 a. Let X equals 1, 2, or 3 for desirable, borderline, or too high, respectively. Find the probability distribution for X. b. Draw the probability histogram.

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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.