Statistic symbol cheat sheet
[DOCX File]Central Bucks School District
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Test statistic (Z score formula) P-Value. Conclusion. What do these tests compare? A sample percent to a claimed percent. What is the formula for a test statistic? ** SEE CHEAT SHEET** What is a P-value? What is it really telling us about our sample? The probability of getting our sample (or something more extreme) if the claim is true.
[DOCX File]www.toomey.org
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Hypothesis Testing. Steps. Hypothesis Testing. Claim: Formulate the null (H 0 ) and the alternative (H a ) hypothesis. Graph: Sketch and label critical value (left-tailed, right-tailed, two-tailed) Decision Rule: Use significance level (α ), confidence level (C), confidence Interval, or critical value (z c ).e.g.
[DOC File]Statistics Cheat Sheet
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Statistics Cheat Sheet. Mr. Roth , Mar 2004. 1. Fundamentals . Population – Everybody to be analysed. Parameter - # summarizing Pop. Sample – Subset of Pop we collect data on. Statistics - # summarizing Sample. Quantitative Variables – a number. Discrete – countable (# cars in family) Continuous – Measurements – always # between ...
[DOC File]CBS Semester 1 David Juran Statistics Final Cheat Sheets
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Statistic (Mapped to Output Above) Symbol Formula Statistic (Mapped to Output Above) Symbol Formula Dependent Variable (sample mean of n observations) 0.9155. ... Statistics Cheat Sheets. 1137 Yoavi Liedersdorf (MBA’03) Title: CBS Semester 1 David Juran Statistics Final Cheat Sheets
[DOC File]Advanced Excel - Statistical functions & formulae
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Enter the above data into an Excel spread sheet, plot the data, create a trendline and display its slope, y-intercept and R-squared value. Recall that the R-squared value is the square of the correlation coefficient. (Most statistical texts show the correlation coefficient as "r", but Excel shows the coefficient as "R".
[DOC File]Formula Sheet and List of Symbols, Basic Statistical Inference
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Formula Sheet and List of Symbols, Basic Statistical Inference. Symbol What it Represents. X variable. sample mean. μ population mean. s sample standard deviation. s2 sample variance. σ population standard deviation. σ2 population variance. sample proportion. p population proportion. q 1-p. n sample size. α significance level
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