Incluye appendix. Incluye Index. Incluye technical

Statistical series, frequency distribution and its analysis:central tendency-arithmetic mean, frequency dristribution and its analysis:central tendency(continued), frequency dristribution and its analysis:dispersion and skewness, time series analysis:trend, time series analysis: the least squares-method-linear, time series analysis:non linear, time series analysis: seasonal and cyclical, correlation linear, correlation non linear multiple partial, correlation of attributes, the normal curve, theory of sampling, index numbers, further analysis of the frequency, collection of data, statistical tables, graphic presentation, special techniques in education: psychology and biology