Question
The SAT Mathematics portion has = 513 with = 120. The author of a new SAT preparation book wants to know if reading her SAT
The SAT Mathematics portion has = 513 with = 120. The author of a new SAT preparation book wants to know if reading her SAT prep book has a significant effect on the SAT Math score. A sample of 49 students who read her book was randomly selected and their SAT Math was x = 540. Did the SAT preparation book have a significant effect on the SAT Math score? Assume = .05. Please show the four-step hypothesis test
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Calculus Early Transcendentals
Authors: James Stewart
7th edition
538497904, 978-0538497909
