Homework#4 - Stat 133 Autumn 2007 Homework #4 (10 points)...

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Stat 133 Autumn 2007 NAME: Allison Homework #4 (10 points) Due Thursday October 25 (beginning of recitation) This homework reviews one of the most important items from Midterm 1: the amount of variability (spread) in a data set, and how it is shown in a graph. Please use this Word file to write by hand or type your answers for this homework. Write your final answers in the blanks when provided. #1-8 are worth 1 point each; #9 is worth 2 points. The price of Stock X is tracked each month for 2007 (see the first time chart below). The price of Stock Y is tracked each month for 2007 (see the 2 nd time chart below.) 60  55.0  58  52.5 56 54  50.0  52  47.5  50  45.0 48 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 Month (Jan-Dec) Month (Jan-Dec) 1. Using the time chart above (the left one), make a list of all the monthly stock prices for Stock X over the year 2007. (An example of such a list for a data set might be $10.00, $20, $22, etc.) Monthly Stock Prices: $50 2.
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Homework#4 - Stat 133 Autumn 2007 Homework #4 (10 points)...

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