Homework-2

# Homework-2 - Homework 2 Stats 202 Page 1 of 2 Homework 2 1...

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Homework 2 1) Read Chapter 3 (only sections 3.1, 3.2 and 3.3). 2) Chapter 3 textbook problem #2 on page 142: Identify at least two advantages and two disadvantages of using color to visually represent information. 3) This question uses a sample of 1500 California house prices at: http://sites.google.com/site/stats202/homework-2/CA_house_prices.csv and a sample of 10,000 Ohio house prices at http://sites.google.com/site/stats202/homework-2/OH_house_prices.csv Download both data sets to your computer. Note that the house prices are in thousands of dollars. a) Use R to produce a frequency histogram for only the California house prices. Use intervals of width \$500,000 beginning at 0 and ending at \$3.5 million. Include the R commands and the plot. Put your name in the title of the plot. b) Use R to produce a plot showing relative frequency polygons for both the California prices and the Ohio prices on the same graph. Include a legend. Use the midpoints of the intervals from the previous exercise. (The first point

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Homework-2 - Homework 2 Stats 202 Page 1 of 2 Homework 2 1...

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