Question 24 in an one sample is compared to a

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Question 24 In a(n) ________, one sample is compared to a population for which we only know the mean during hypothesis testing. 2.5 out of 2.5 points 0 out of 2.5 points
Question 25 A p level of 0.05 corresponds to a confidence interval of ________%. 2.5 out of 2.5 points
Question 26 A psychologist is interested in whether working memory is influenced by sleep loss. The psychologist administers a measure of working memory to a group of subjects at 8 A.M. on Day One of the study and then again at 8 A.M. on Day Two of the study, after keeping the subjects awake the entire night. Does sleep loss affect working memory? What is the statistical analysis we would perform to answer this question? 2.5 out of 2.5 points
Question 27 If a confidence interval is 95%, then this corresponds to a p level of _____. 2.5 out of 2.5 points
Question 28 According to the null hypothesis, the mean difference for the comparison distribution in a paired- samples t test is: 2.5 out of 2.5 points
Question 29 In a paired-samples test, the comparison distribution is a distribution of: 2.5 out of 2.5 points
7/17/2017 Review Test Submission: Exam 1 – 201730 Summer 2017 PSYC... Question 30 The formula for the null hypothesis for a paired-samples t test is:
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Question 31 Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. They randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. The dependent variable in this study is:
Question 32 s2pooled is the symbol for:

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