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Old 08-06-2007   #1
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Default Please help me with these 2 statistics problems?

1. suppose all the points of a data set lie on the line of best fit which has equation y = 3.45x - 7.21. What is the correlation coefficient? (why is it 1? what if the data set does not lie on the line of best fit?)2. Consider the word TUESDAY. How many permutations of four of the letters begin with T?please explain as you're solving. many thanks

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