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STAT 503 FINAL EXAM 2023 SOLVED 100% CORRECT Stats 503 Terms with Complete Solutions PPGA 503 Statistic Final Exam Graded A+ 2023 STAT 503 - Quiz 4 Solved 2023 cnsl 503 Mod 4 Solved 2023

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STAT 503 FINAL EXAM 2023 SOLVED 100% CORRECT

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Is a quantitative variable always measured in numbers? - ANSWER-Yes Is any measurement that you record from a sample a variable? - ANSWER-False What is a statistic? - ANSWER-The measure that is taken from the whole sample as a summary of the sample Sample data skewed to the left, then longe...

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Stats 503 Terms with Complete Solutions

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sampling error - ANSWER-variation in results from multiple replications of same study because of chance only way to avoid is a census every time you gather different groups of people get diff average even if same topic different between paramters true value and out estimate that results from ch...

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PPGA 503 Statistic Final Exam Graded A+ 2023

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t-test - ANSWER-a statistical test used to evaluate the size and significance of the difference between two means Different methods to compare means - ANSWER-ttest, chi test, binary variable - ANSWER-a variable having only two categories, aka. dichotomous response vs explanatory variable - ...

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STAT 503 - Quiz 4 Solved 2023

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Normal distribution - ANSWER-- Symmetrical distribution - Works well for data that is subject to variation from a lot of different factors -Values in the middle are most common while tail values are extreme and rare -Numeric, continuous variables -N ~ (mu, sigma) Standard normal distribution ...

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cnsl 503 Mod 4 Solved 2023

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normal distribution - ANSWER-a frequency distribution that is shaped like a symmetrical bell, unimodal curve total relative frequency of distribution - ANSWER-area under curve = 100% of the data or 1.0 68% of values - ANSWER-% fall within 1 standard deviation of mean 95% of values - ANSWER-...

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Statistics Exam 3 with Complete Solutions

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α: - ANSWER-The symbol for level of significance (probability of a type I error). Alternative Hypothesis - ANSWER-The hypothesis that the researcher wants to prove or verify; a statement about the value of a parameter that is either "less than," "greater than," "not equal to." β: - AN...

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