Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A Teaching Demonstration Model of Probability and Statistics

A technology of probability statistics and models, applied in teaching models, educational tools, instruments, etc., can solve the problems of cumbersome operation, limited number of statistics, traditional single simulation and demonstration methods, etc., and achieve convenient operation, high efficiency of demonstration and statistics, and portability good sex effect

Active Publication Date: 2020-09-04
临沂产业研究院有限公司
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above situation, in order to make up for the technical deficiencies in the existing technology, the present invention provides a probability statistics teaching demonstration model, which aims to solve the problems in the prior art of cumbersome operation, limited counting times, and traditional single simulation demonstration method

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A Teaching Demonstration Model of Probability and Statistics
  • A Teaching Demonstration Model of Probability and Statistics
  • A Teaching Demonstration Model of Probability and Statistics

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] The specific implementation manners of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0013] Depend on Figure 1 to Figure 5 Given, the present invention includes a casing 1, on which there is a drive shaft 2 arranged horizontally and a driven shaft 3 coaxially arranged with the drive shaft 2, the drive shaft 2 rotates on the casing 1, The driven shaft 3 rotates on the housing 1 and can slide axially. The driving shaft 2 and the driven shaft 3 are connected by threads. The driven shaft 3 has an inertia wheel 4 coaxially arranged with the driven shaft 3. When the driving shaft 2 When the state of motion is changed, the inertial effect of the inertia wheel 4 keeps the current state of motion of the driven shaft 3 unchanged, so that a screw transmission is generated between the driven shaft 3 and the driving shaft 2; the distance between the driven shaft 3 and the driving shaft is One end of 2 has an end fa...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a teaching demonstration model of probability and statistics, including a housing, the housing is provided with a driving shaft and a driven shaft arranged coaxially with thedriving shaft, the driving shaft rotates on the housing, a driven shaft rotates on the housing and is axially slidable, a drive shaft and a driven shaft are threadably connected, the driven shaft hasinertia wheels, one end of the driven shaft remote from the driving shaft is provided with an end face cam groove arranged coaxially with the driven shaft, when the groove bottom of the end face cam groove is in extrusion contact with the button switch, the variable groove depth of the end face cam groove causes different pressing distances of different parts of the end face cam groove when the button switch is extruded, so as to realize the on-off operation of the button switch; The invention realistically simulates the generation process of the random event, simplifies the steps of the random event demonstration and statistics, and can carry out continuous demonstration of the random event and uninterrupted statistics of the large sample.

Description

technical field [0001] The invention relates to a teaching tool, in particular to a probability and statistics teaching demonstration model. Background technique [0002] In the process of probability teaching, in order to allow students to intuitively understand the distribution and statistics of probability, various demonstration devices are usually used, which can not only vividly express probability events, but also improve students' interest in learning; however, currently The probability demonstration device is still limited to the cumbersome and boring simulation method of coin throwing and ball falling, which is not conducive to the continuous demonstration of probability events and a large number of statistics. Improve students' thinking ability. [0003] In addition, because the existing device relies on coins or small balls, etc., its volume is relatively large, and it is troublesome to carry and store. Too much class time. Contents of the invention [0004] ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G09B23/02
CPCG09B23/02
Inventor 陈玉发田颖科陈敏张小静
Owner 临沂产业研究院有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com