Maricopa Community Colleges  PSY230   19956-19965
 Official Course Description: MCCCD Approval: 3-28-1995 PSY230  1995 Fall - 1996 Summer II LEC  3.0 Credit(s)  3.0 Period(s)  3.0 Load  Acad Introduction to Statistics An introduction to basic concepts in descriptive and inferential statistics, with emphasis upon application to psychology. Consideration given to the methods of data collection, sampling techniques, graphing of data, and the statistical evaluation of data collected through experimentation. Required of psychology majors. Prerequisites: PSY101 with a grade of "C" or better and MAT077 or equivalent, or permission of Instructor.   Course Attribute(s): General Education Designation: Computer/Statistics/Quantitative Applications - [CS]
 MCCCD Official Course Competencies: PSY230  1995 Fall - 1996 Summer II Introduction to Statistics

 1. Prepare frequency and cumulative frequency distributions for grouped and ungrouped data. (I) 2. Prepare frequency and cumulative frequency polygons for grouped and ungrouped data. (I) 3. Compute mean, median, mode, and percentiles for grouped and ungrouped data. (I) 4. Identify the most appropriate measure of central tendency for given data. (I) 5. Compute variance, standard deviation, and estimate of population standard deviation from a sample for grouped and ungrouped data. (I) 6. Compute and interpret z-scores. (I) 7. Compute Pearson r and Spearman rho for grouped and ungrouped data. (I) 8. Interpret the significance of Pearson r and Spearman rho for given data. (I) 9. Compute area under the normal curve for given z-scores or standard deviations. (II) 10. Explain the concept of sampling distributions and the Central Limit Theorem. (II) 11. Compute and interpret the significance of a t-test for the hypothesized mean for a single distribution. (II) 12. Compute and interpret the significance of a t-test of the difference between two means from matched or independent samples. (II) 13. Compute and interpret one and two factor ANOVAs. (II) 14. Compute and interpret chi-square analyses. (III)

 MCCCD Official Course Outline: PSY230  1995 Fall - 1996 Summer II Introduction to Statistics

 I. Descriptive statistics A. Organization of data 1. Frequency distribution 2. Graphic B. Measures of central tendency 1. Mean 2. Median 3. Percentiles 4. Mode C. Measures of variability 1. Variance 2. Standard deviation 3. Estimated measures 4. Z-scores D. Correlation 1. Pearson r 2. Spearman rho 3. Others II. Inferential statistics A. Normal curve B. Testing hypothesized mean for single distribution C. Testing difference between means from two distributions 1. Matched distributions 2. Independent distributions D. Analysis of variance 1. One factor ANOVAS 2. Two factor ANOVAS III. Non-parametric statistics A. Chi-square analysis B. Other

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