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CP545 Smoothing Time Series

Smooth time series data in a spreadsheet using moving averages, fit a regression line and calculate residuals.

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CP440 Histogram Class Intervals

Vary the class intervals when summarising data with a histogram. Also shows use of the randList() command to create a list of random numbers.

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CP441 Prediction From Regression Line

Substitute a value into a recently calculated regression line to determine a predicted value.

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CP442 Residuals And Residual Plots

After finding a linear regression model for a bivariate data set, residuals are calculated and plotted to check suitability of linear model.

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CP471 Inverse Normal Probability Calculations

Calculate inverse normal probabilities in Statistics using the Calc menu and Inverse Normal CD tool.

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CP473 Confidence Interval (Mean) From Summary Data

Calculate a confidence interval for a mean from supplied summary data in the statistics application.

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CP476 Confidence Interval (Prop) From Summary Data

Calculate a confidence interval for a proportion from supplied summary data in the statistics application.

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CP401 Statistical Calcs: From a List

Calculate one variable statistics from a single list of scores.

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CP304 Graph an Exponential Function

Graph y = 4^x using the Graph & Table application, including use of Zoom facility.

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