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In the population, the average IQ is 100 with a standard deviation of 15. A team of scientists wants to test a new medication to see if it has an effect on intelligence, or no effect at all. A sample of 30 participants who have taken the medication has a mean of 140. Did the. medication affect intelligence? Use a = .05. The rejection region is... less than -1.959963985 and greater than 1.959963985 less than - 2.045229642 and greater than 2.045229642 O less than - 1.644853627 and greater than 1.644853627 none of the above O O O

In the population, the average IQ is 100 with a standard deviation of 15. A team of scientists wants to test a new medication to see if it has an effect on intelligence, or no effect at all. A sample of 30 participants who have taken the medication has a mean of 140. Did the. medication affect intelligence? Use a = .05. The rejection region is... less than -1.959963985 and greater than 1.959963985 less than - 2.045229642 and greater than 2.045229642 O less than - 1.644853627 and greater than 1.644853627 none of the above O O O

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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In the population, the average IQ is 100 with a standard deviation of 15. A team of scientists wants to test a new medication to see if it has an effect on intelligence, or no effect at all. A sample of 30 participants who have taken the medication has a mean of 140. Did the medication affect intelligence? Use a = .05. The rejection region is... less than -1.959963985 and greater than 1.959963985 less than - 2.045229642 and greater than 2.045229642 less than - 1.644853627 and greater than 1.644853627 none of the above O O
Transcribed Image Text:In the population, the average IQ is 100 with a standard deviation of 15. A team of scientists wants to test a new medication to see if it has an effect on intelligence, or no effect at all. A sample of 30 participants who have taken the medication has a mean of 140. Did the medication affect intelligence? Use a = .05. The rejection region is... less than -1.959963985 and greater than 1.959963985 less than - 2.045229642 and greater than 2.045229642 less than - 1.644853627 and greater than 1.644853627 none of the above O O
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