Lacunar-Stroke 发表于 2025-3-27 00:33:02
,Stimmen aus der Praxis – die Interviews,search study and only one measurement (i.e., variable) “number” on each of these. This chapter asks you to change gears again and to deal with the situation in which you are measuring two variables instead of only one variable, and you are trying to discover the “relationship” between these variableoblique 发表于 2025-3-27 04:17:36
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https://doi.org/10.1007/978-3-658-33073-6ation mean for the data using either the 95% confidence interval about the mean (Chap. 3 of this book) or the one-group .-test of the mean (Chap. 4 of this book). You have also learned how to test for the difference between the means for two groups of data to determine if this difference was a “sign演绎 发表于 2025-3-27 10:02:00
Sample Size, Mean, Standard Deviation, and Standard Error of the Mean,nd the standard error of the mean (s.e.) of these scores. All three of these statistics are basic to the study of statistics and are used frequently within many additional statistical tests. The formulas are presented, explained, and a practical example is given for each formula that shows how the f空气 发表于 2025-3-27 17:05:37
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Confidence Interval About the Mean Using the TINV Function and Hypothesis-Testing,confidence interval. You will learn how to estimate the population mean (average) for a group of events or objects at a 95% confidence level so that you are 95% confident that the population mean is between a lower limit of the data and an upper limit of the data. The formula for computing this conf背信 发表于 2025-3-28 01:46:59
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Multiple Correlation and Multiple Regression,del by using . to predict Y instead of a single predictor as we discussed in Chap. 6 of this book. The resulting statistical procedure is called “multiple correlation” because it uses two or more predictors, each weighed differently in an equation, to predict Y. The job of multiple correlation is to