Psy 520 topic 1 - Study guides, Class notes & Summaries

DescriptiveStatisticsP PSY-520 Descriptive Statistics Project Grand Canyon University PSY-520 Graduate Statistics PSY-520 Graduate Statistics Topic 1“ Descriptive Statistics Project Directions: Use the following information to complete the questions below. A researcher was interested in the anxiety present in students just prior to the midterm exam. The researcher used an anxiety self-quiz to gauge the student’s anxiety. The scores for 30 students are given here. 69 99 91 ...

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...

PSY 520 Topic 1 Assignment, Descriptive Statistics Project A researcher was …..in the anxiety present in students just prior to the midterm exam. The research used an anxiety self-quiz to gage the student’s anxiety. The score for 30 students are, 69 99 91 66 70 98 70 53 40 58 61 66 94 77 70 56 88 85 86 40 84 86 54 48 86 43 78 53 79 89 Construct a frequency table with class, frequency, relative percent, and cumulative percent that has 6 classes to describe the distribution of the dat...

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PSY 520 - Topic 1 Exercises:LATEST 2021

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...