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A Derivation of the Unbiased Standard Error of Estimate: The General Case.

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O'Brien, Francis J., Jr. – 1987

This paper is part of a series of applied statistics monographs intended to provide supplementary reading for applied statistics students. In the present paper, derivations of the unbiased standard error of estimate for both the raw score and standard score linear models are presented. The derivations for raw score linear models are presented in…

Descriptors: Error of Measurement, Estimation (Mathematics), Goodness of Fit, Higher Education

Activities. Mathematics as Communication: Graphing Information Collected Over Time.

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Moody, Marian – Mathematics Teacher, 1990

Described is a learning activity that requires students to observe, read, and interpret graphs and organize and describe data. Included are the grade level, materials, objectives, prerequisites, directions, answers to questions, and copies of handouts. (KR)

Descriptors: Cognitive Development, Estimation (Mathematics), Graphs, Junior High Schools