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[DOC File]Comparing Disaster Management
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The comparative method is similar to other methods in the social sciences because much of the subject matter in this area does not lend itself to the scientific rigors of experimentation (Lijphart 1971). Nevertheless, comparison lies between the case study and statistical …
statistical comparison of two rates

[DOC File]Statistical Comparison of Particle Size Distribution Profiles
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From this distribution of 300 Mean Ratios, report the metric (e.g., the 95th percentile) used for comparison to a critical value.. For the purposes of this project 4 summary statistics, the 50th percentile, the 90th percentile, the 95th percentile, and the mean were considered in evaluations.
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[DOC File]Math 305/505 – STATISTICAL METHODS
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Comparison of Two Central Values [Example 6.1 (p. 294)] Company officials were concerned about the length of time a particular drug product retained its potency. A random sample of 10 bottles of the product was drawn from the production line and analyzed for potency. ... Statistical method – Two sample t-test. Assumptions – 1. Two samples ...
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[DOC File]Quiz 1 Data and graphical descriptive statistics
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6. When the necessary conditions are met, a two-tail test is conducted to test the difference between two population means. The statistical software in use only provides one tail p-values as part of its output. Given a one-tail p-value of 0.036, what would a two-tail p-value for the same test be? a. 0.018. b. 0.009 *c. 0.072. d. 0.964. e. 0.360. 7.
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[DOC File]Comparing Group Means using Regression
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two-valued (dichotomous) variable in a . simple. regression analysis. (If you have a categorical variable with more than two values, say three categories, you'll have to use . multiple. regression analysis to perform the regression. More on that in a minute.) Suppose the performance of two groups trained using different methods is being compared.
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[DOC File]Increasing sample size
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Suppose that the values of the variables sex and political affiliation were recorded for each student in a random sample of n = 500 Cal Poly students. Which of the following would be the most appropriate graphical display if the objective was to allow a comparison of males and females with respect to political affiliation? two bar charts
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[DOC File]Differences Between Statistical Software ( SAS, SPSS, and ...
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The comparison between these packages were based upon some features such as data input and management, statistical model capabilities, output, user friendliness, and documentation. Bergmann, R., and others (2000) Compared 11 statistical packages on a real dataset.
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[DOC File]Teaching Introductory Statistics with Activities and Data
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(b) Perform a two-sample t-test for these data. Are the conditions met for this procedure? Compare the p-values obtained by the two approaches. (c) Summarize your conclusions for this study, being sure to comment on significance, confidence, causation, and generalizability. Activity 20: Cat Households
statistical comparison of two groups

Statistical comparison of two values