Psy 520 topic 2 Study guides, Class notes & Summaries

PSY-520 Topic 2 Exercises – Chapters 5 & 8 Jones-2018.

PSY 520 Topic 7 Exercises 19.9 Randomly selected records of 140 convicted criminals reveal that their crimes were committed on the following days of the week: (a) Using the .01 level of significance, test the null hypothesis that in the underlying population, crimes are equally likely to be committed on any day of the week. 1 Statistical Hypothesis: H0 = Psun = Pmon = Ptues = Pwed = Pthurs = Pfri = Psat = 7 H1 : H0 is false Decision Rule: Reject H0 at the 0.01 level of significance = x2 > 16...

9.7 Define the sampling distribution of the mean. 9.8 Specify three important properties of the sampling distribution of the mean. 9.9 If we took a random sample of 35 subjects from some popula tion, the associated sampling distribution of the mean would have the following properties (true or false). 9.13 Given a sample size of 36, how large does the population standard deviation have to be in order for the standard error to be 9.14 (a) A random sample of size 144 is taken from the local popula...

PSY 520 - Topic 1- 8 DQ-1&2/PSY 520 - Topic 1- 8 DQ-1&2. Topic 1 DQ 1 Review the levels of measurement terms in the Statistics Visual Learner media piece. Compare and contrast Stevens's four scales of measurement, and explain when each type of scale should be used. The four levels of measurement that were first proposed by S. S. Stevens are nominal, ordinal, interval and ratio types of data. Nominal scales, which are also referred to as classificatory scales, use numbers, labels, o...

PSY 520 - Topic 2 Exercises/PSY 520 - Topic 2 Exercises. Chapter 5, numbers 5.11, 5.13, 5.15, and 5.18 & Chapter 8, numbers 8.10, 8.14, 8.16, 8.19, and 8.21

PSY 520 Topic 7 Exercises 19.9 Randomly selected records of 140 convicted criminals reveal that their crimes were committed on the following days of the week: (a) Using the .01 level of significance, test the null hypothesis that in the underlying population, crimes are equally likely to be committed on any day of the week. 1 Statistical Hypothesis: H0 = Psun = Pmon = Ptues = Pwed = Pthurs = Pfri = Psat = 7 H1 : H0 is false Decision Rule: Reject H0 at the 0.01 level of significance = ...

PSY 520 Topic 6 Exercise Chapter 16, 17 and 18 16.9 Given the aggression scores below for Outcome A of the sleep deprivation experiment, verify that, as suggested earlier, these mean differences …. seriously by testing the null hypothesis at the .05 level of significance. Use the computation formulas for the various sums of squares and summarize results with an ANOVA table. 16.10 Another psychologist conducts a sleep deprivation experiment. For reasons beyond his control, unequal number...

PSY 520 - Topic 2 Exercises. Chapter 5, numbers 5.11, 5.13, 5.15, and 5.18 & Chapter 8, numbers 8.10, 8.14, 8.16, 8.19, and 8.21