One program to help people stop smoking cigarettes uses the method of posthypnotic suggestion to remind subjects to avoid smoking. A random sample of 18 subjects agreed to test the program. All subjects counted the number of cigarettes they usually smoke a day; then they counted the number of cigarettes smoked the day after hypnosis. (Note: It usually takes several weeks for the subject to stop smoking completely, and the method does not work for everyone.) The results follow. CigarettesSmoked per Day CigarettesSmoked per DaySubjectAfterHypnosisBeforeHypnosisSubjectAfterHypnosisBeforeHypnosis129211081421832111439351812284742523133522532231413396114115216721116123481116177219729181329Using a 10% level of significance, test the claim that the number of cigarettes smoked per day was less after hypnosis.(a) What is the level of significance?(b) Compute the sample test statistic. (Use 2 decimal places.)(c) Find the P-value of the sample test statistic. (Use 4 decimal places.)

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Description: One program to help people stop smoking cigarettes uses the method of posthypnotic suggestion to remind subjects to avoid smoking. A random sample of 18 subjects agreed to test the program. All subjects counted the number of cigarettes they usually s

a) The level of significance is 0.10. b) Hypotheses and level of significance: The hypotheses to be…

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College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter9: Sequences, Probability And Counting Theory

Section9.5: Counting Principles

Problem 3SE: Answer the following questions. 3. When given two separate events, how do we know whether to apply...

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One program to help people stop smoking cigarettes uses the method of posthypnotic suggestion to remind subjects to avoid smoking. A random sample of 18 subjects agreed to test the program. All subjects counted the number of cigarettes they usually smoke a day; then they counted the number of cigarettes smoked the day after hypnosis. (Note: It usually takes several weeks for the subject to stop smoking completely, and the method does not work for everyone.) The results follow.

	Cigarettes Smoked per Day		Cigarettes Smoked per Day
Subject	After Hypnosis	Before Hypnosis	Subject	After Hypnosis	Before Hypnosis
1	29	21	10	8	14
2	18	32	11	14	39
3	5	18	12	28	47
4	25	23	13	35	22
5	32	23	14	13	39
6	11	41	15	2	16
7	2	11	16	12	34
8	11	16	17	7	21
9	7	29	18	13	29

Using a 10% level of significance, test the claim that the number of cigarettes smoked per day was less after hypnosis.

(a) What is the level of significance?

(b) Compute the sample test statistic. (Use 2 decimal places.)

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