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SAT coaching A sample of 10 students took a class designed to improve their SAT...

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Algebra

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SAT coaching A sample of 10 students took a class designed to improve their SAT math scores Following are their scores before and after the class Can conclude that the mean increase in scores differs from 15 points Let u represent the mean score after the class and Use the a 0 10 level a the P value method with the TI 84 Plus calculator Before 513 483 447 440 After 525 482 482 479 Send data to Excel Part 0 4 Part 1 of 4 H a State the appropriate null and alternate hypotheses Ho This is a Choose one test Score X 439 435 451 431 0 Ha 0 0 G 451 454 453 491 526 463 511 529

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