At a university, 11% of students smoke. a) Calculate the expected number of smokers in a random sample of 190 students from this university (please do not round your answer):  b) The university gym opens at 9 am on Saturday mornings. One Saturday morning at 8:55 am there are 22 students outside the gym waiting for it to open. Should you use the same approach from part (a) to calculate the expected number of smokers among these 22 students? No, it is unlikely that smoking habits and waking up early to go to the gym on Saturday are independent   Yes, it is reasonable to believe that people who go to the gym when it first opens on Saturday mornings is a representative sample

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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.