A sample of seven persons admitted driving under the influence of alcohol. The court asked all to attend a series of counseling sessions. The following table gives the number of times these six persons drove under the influence of alcohol one month before and one month after attending the counseling sessions. The populations have normal distributions. Before After 12 9 10 8 9 9 8 5 7 6 10 8 9 8 A test at 3% significance level was conducted to see if attending the counseling sessions decreases the mean number of times all persons drive under the influence of alcohol. What is the approximate p-value for the test?

A sample of seven persons admitted driving under the influence of alcohol. The court asked all to attend a series of counseling sessions. The following table gives the number of times these six persons drove under the influence of alcohol one month before and one month after attending the counseling sessions. The populations have normal distributions. Before After 12 9 10 8 9 9 8 5 7 6 10 8 9 8 A test at 3% significance level was conducted to see if attending the counseling sessions decreases the mean number of times all persons drive under the influence of alcohol. What is the approximate p-value for the test?

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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