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Unformatted text preview: 3. a. Null: Variables independent, Alternative: Variables dependent b. 1.912 c. Reject the null. 4. 42 +/ 1.978 5. done in earlier problem 6. z = 4.413 7. done in earlier problem 8. t = 2.414 9. 2.11 10. .0052...
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 Fall '07
 BRUSH
 Harshad number, Prime number, earlier problem

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