Statistics

Coefficient of Determination

Coefficient of determination (r^2) tells us the amount of variation in the dependent variable that can be explained by the variation in...

Daniel Amartya

Mar 2, 20201 min read

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Purpose of regression line: To estimate the average value of the dependent variable at any specified value of the independent variable To...

Daniel Amartya

Mar 2, 20202 min read

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Data: 2, 4, 10 (positively skewed distribution) Arithmetic mean = 2 + 4 + 18 / 3 = 8 Geometric mean = (2+4+18) cube root = 2.88 (nth root...

Daniel Amartya

Feb 29, 20201 min read

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Step-by-step: Open SPSS Analyse --> Compare mean --> One-Sample T test... Insert test variable(s) and test value OK Terms and...

Daniel Amartya

Feb 29, 20201 min read

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If data set is skewed and or contains outliers, the mean tends to move away from the centre of the distribution, and so will the standard...

Daniel Amartya

Feb 29, 20201 min read

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The two important terms discussed in this article is normality and transformation. Normal distribution, also known as the Gaussian...

Daniel Amartya

Feb 28, 20202 min read

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Introduction The levels of measurement mentioned here refers to how we categorise data in statistics. The two important terms used in...

Daniel Amartya

Feb 27, 20202 min read

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