Explanation Given info: The data shows that the measure of a variable before and after a treatment and the level of significance is 0.05. Calculation: The claim is that “the treatment is effective in increasing the value of the response variable”. The hypotheses are given below: Null hypothesis: H 0 : μ d = 0 Alternative hypothesis: H 1 : μ d > 0 (claim) Test statistic: Software Procedure: Step-by-step procedure to obtain the test statistic and P -value using the MINITAB software: Choose Stat > Basic Statistics > Paired t . In FirstSample , enter the column of After . In Second Sample , enter the column of Before . Check Options , enter Confidence level as 95.0 . Choose Greater than in alternative . Click OK in all dialogue boxes. Output using the MINITAB software is given below: From the MINITAB output, the test statistic t 0 is 1.32 and the P - value is 0.128. Critical valueright-tailed test: Degrees of freedom: n − 1 = 5 − 1 = 4 From Table VII: The critical value for right tailed test for 4 degrees of freedom with level significance 0.05 is t 0.05 = 2.132 . Decision criteria for the classical approach: If t 0 > t α , reject the null hypothesis ( H 0 )

Fundamentals of Statistics, Books a la Carte Edition Plus MyLab Statistics with Pearson eText -- Access Card Package (5th Edition)

5th Edition

ISBN: 9780134763699

Author: Michael Sullivan III

Publisher: PEARSON

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Chapter 11.4, Problem 5AYU

To determine

To test: Whether there is sample evidence suggests that the treatment is effective in increasing the value of the response variable.

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Chapter 11.4, Problem 4AYU

Chapter 11.4, Problem 6AYU

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Chapter 11 Solutions

Fundamentals of Statistics, Books a la Carte Edition Plus MyLab Statistics with Pearson eText -- Access Card Package (5th Edition)

Ch. 11.1 - A sampling method is _____ when the individuals...Ch. 11.1 - A sampling method is _____ when the individuals...Ch. 11.1 - In Problems 38, determine whether the sampling is...Ch. 11.1 - In Problems 38, determine whether the sampling is...Ch. 11.1 - In Problems 38, determine whether the sampling is...Ch. 11.1 - In Problems 38, determine whether the sampling is...Ch. 11.1 - In Problems 38, determine whether the sampling is...Ch. 11.1 - Prob. 8AYU Ch. 11.1 - In Problems 912, conduct each test at the = 0.05...Ch. 11.1 - In Problems 912, conduct each test at the = 0.05...

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