| 摘要 |
PROBLEM TO BE SOLVED: To provide an experiment apparatus for a student in an educational institute such as a college or a researcher in a laboratory, etc., who has mastered loss function in statistics and x-axis y-axis measuring method to confirm and promote understanding of the fact that y-axis distribution range can be specified by the number of materials. SOLUTION: By actually distributing materials in a distribution controller with a sight interrupting instrument closed and by specifying y-axis distribution range displaying the distribution by a program of a computer, etc., and by confirming the y-axis distribution range being within the specified range, actual materials can be seen in the distribution controller. Thus, execution of a plurality of programs is simplified. Besides, change of the combination of pictures for inputting a mathematical formula required for the specification can be dealt with by a software exchange device.
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