6 results authored by Elias Jakobus Willemse - search across all users.
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Find a regression equation.
Now includes a graph of the regression line and another interactive graph gives users the opportunity to move the regression line around. Could be used for allowing users to experiment with what they think the line should be and see how this compares with the calculated line.
Also includes an updated SSE to see how the sum of the squares of the residuals varies with the regression line.
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This question concerns the evaluation of the eigenvalues and corresponding eigenvectors of a 2x2 matrix.
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Find a regression equation given 12 months data on temperature and sales of a drink.
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Find a regression equation.
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Given mean and sd of 1000 sample returns on a scale of 1 to 7 together with a given score, find the z-score.
Also find the 95% confidence interval for the population mean.
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Finding probabilities from a survey giving a table of data on the alcohol consumption of males. This can be easily adapted to data from other types of surveys.
