Statistical teaching apparatus

Details Statistical teaching apparatus Statistical teaching apparatus

1984-03-05

1985-01-15

Grieb, William H.

Education and demonstration

Mathematics

324 62, G09B 1900

Patent

active

044936516

ABSTRACT:
A statistical teaching apparatus includes a plurality of parallel circuits selectively coupled to an operational amplifier. Each circuit is adapted to receive a component from a population being statistically evaluated. The circuits include amplifier feedback elements arranged to selectively cause the amplifier to produce an output voltage representing the value of a parameter of any selected component or the average parameter value of any selected group of components so as to permit plotting of actual parameter values of a selected subgroup and measuring the average parameter value of that subgroup.

REFERENCES:
patent: 2838851 (1958-06-01), Lusser
patent: 3095655 (1963-07-01), Berglund et al.
patent: 3278736 (1966-10-01), Pastoriza
patent: 3488862 (1970-01-01), Eckhart, Jr.
patent: 3717941 (1973-02-01), Tomerlin
patent: 3836847 (1974-09-01), Lucas
patent: 3873917 (1975-03-01), Kreuzer
patent: 4048484 (1977-09-01), Brittan
patent: 4217702 (1980-08-01), Bennett
patent: 4408157 (1983-10-01), Beaubien
"Probability and Statistics: Experimental Results of a Radically Different Teaching Method," by Julian L. Simon et al., The American Mathematical Monthly, Nov. 1976, pp. 733-739.

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