# Problem 3. (15 points) Given the following data: 3, 2, 3, 4, 5, 3, 4, 6,...

###### Question:

Problem 3. (15 points) Given the following data: 3, 2, 3, 4, 5, 3, 4, 6, 4, 10, 7, 11 () (2 points) Calculate the sample mean by hand using its definition. Round your in results to two decimal places and your final answer to one decimal place. Same for the remai questions. (2) (2 points) Calculate the median of the data. (3) (3 points) Calculate the sample variance by hand using its definition. 4) (3 poi ning ints) Calculate the sample variance by skipping the sample mean and using the Sx formula that we covered in Lecture 2 (Slide 41). (5) (2 points) Calculate the sample standard deviation. (6) (3 points) the Calculate the interquartile mean (i.e., trimmed mean with 96-25%).

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