Cosmetic Surgery This USA Today–type chart shows the most frequent cosmetic surgeries for women in 2009.
(a) If women had 1.35 million cosmetic surgeries in 2009, what percent were for tummy tucks?
(b) What percent were for nose reshaping?
(c) How many surgeries are not accounted for in the graph?
Step 1 of 5) Cosmetic Surgery This USA Today–type chart shows the most frequent cosmetic surgeries for women in 2009. (a) If women had 1.35 million cosmetic surgeries in 2009, what percent were for tummy tucks (b) What percent were for nose reshaping (c) How many surgeries are not accounted for in the graph Explain the Sources of Bias in Sampling So far we have looked at how to obtain samples, but not at some of the problems that inevitably arise in sampling. Remember, the goal of sampling is to obtain information about a population through a sample. Definition If the results of the sample are not representative of the population, then the sample has bias. In Other Words, The word bias could mean to give preference to selecting some individuals over others; it could also mean that certain responses are more likely to occur in the sample than in the population.