For this example, df = 1. The χ2 critical value is 3.84. The χ2 test statistic = 6.56. Follow-up: Finish the sentence according to the decision. If I am an addict and I am NOT having cravings, A. I cannot predict whether I will have a relapse or not B. I am more likely to relapse C. I am less likely to relapse

For this example, df = 1. The χ2 critical value is 3.84. The χ2 test statistic = 6.56. Follow-up: Finish the sentence according to the decision. If I am an addict and I am NOT having cravings, A. I cannot predict whether I will have a relapse or not B. I am more likely to relapse C. I am less likely to relapse

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Q25. Using the Pearson correlation coefficient, a study on addiction found a positive correlation between time of cravings and time of relapse (r = .51) in a sample of 20 people with a drug addiction. Using a two-tailed test at a .05 level of significance, test whether the correlation is significantly different than 0. Follow the prompts. Step 1. State the hypotheses. A B C D Step 2. Find the critical values. df = _______ CV = +/- (do not include +/-) DO NOT USE eTEXT TABLE C.5 - CVs ARE WRONG. Use table attached to homework instead. _________ Step 4. Make a decision about the null hypothesis. a. Reject H0 b. Retain H0
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What percentage of scores should fall within ±1 SD for TADHD? Choices: 1. A higher percentage of scores than fell within ±1 SD for ADHD 2. A lower percentage of scores than fell within ±1 SD for ADHD 3. The same percentage of scores that fell within ±1 SD for ADHD What is true of a score of 65.55 for TADHD? Choices: 1. It falls within –1.5 SD of the mean and is thus unlikely to be due to chance 2. It falls within 1.5 SD of the mean and is thus unlikely to be due to chance 3. It falls outside –1.5 SD of the mean but is likely to be due to chance 4. It falls outside 1.5 SD of the mean but is likely to be due to chance