A functional approach to educational research methods and statistics : qualitative, quantitative, and mixed methods approaches / by Ayiro, Laban P., PALCI EBSCO books

Table of Contents: “…Measures of VariabilityComputing the Standard Deviation in SPSS; Computing Correlation Coefficients; A Determined Effort: squaring the correlation coefficient!!…”
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Understanding research methods and statistics in psychology / by Gavin, Helen, Sage Knowledge

Table of Contents: “…-- Dispersion -- The sample variance and the standard deviation -- Standard error of the mean -- The z-score -- Disruptions to normality -- skew and kurtosis -- Tabular presentation -- Summary -- 5. …”
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100 questions (and answers) about research methods / by Salkind, Neil J.

Table of Contents: “…-- 54: How do I use the mean and the standard deviation to describe a set of data? -- 55: What is a normal curve, and what are its characteristics? …”

Research methods for science / by Marder, Michael P., 1960-, PALCI EBSCO books

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