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Lecture

# S2MB3 2012 T2 A1.pdf

2 Pages
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School
McMaster University
Department
Statistics
Course
STATS 2MB3
Professor
Y.Guo
Semester
Winter

Description
STATS 2MB3 STATISTICAL METHODS Assignment 1 Due during class on Friday January 27th, 2012 Late assignments will not be accepted Questions 1-4 should be completed without the aid of a computer. Question 5 should be done in R. Q. 1 Devore 1.20 Q. 2 The following is the number of games played each year in the NBA by Robert Parish through- out his career. 77 82 76 72 82 80 78 80 79 81 80 74 80 79 81 79 79 74 81 74 43 (a) Create a repeated stem-and-leaf plot for the data. Split the data to have an upper and lower half (i.e., repeat each leaf twice, one for the lower values 0{4, one for the upper values 5{9) (b) Calculate the 5-▯gure summary and draw a boxplot of the data (c) Describe the distribution in terms of shape, location, spread and any unusual features (d) Calculate the mean and standard deviation of the number of games played. Would you prefer to use these measures or the median and interquartile range to describe location and variability of this dataset? (e) Calculate both the 5% and 20%, trimmed and winsorized means for this dataset. Q. 3 30 participants are given a dexterity test with both their left and right hand, the scores are recorded belo
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