"Statistical Survey" data collection, arrangement and description PPT courseware 2

Description

"Statistical Survey" data collection, arrangement and description PPT courseware 2

Design a questionnaire to conduct the survey.

Questionnaire year month

Among the following five types of TV programs, which one is your favorite ( ). (Single choice)

A. News b. Sports c. animation d. entertainment e. drama

When completed, please give the questionnaire to the math class representative.

Discussion 1: From the above data, can you tell how much the class likes various programs? How can we clearly see how much the class likes various programs?

Tables are often used to organize data in statistics. Table 10-1 on P152 uses statistical charts to describe data.

Discussion 2: Can you tell the class’s favorite TV programs based on Table 10-1 and Figure 10.1-1?

Discussion 3: How to draw the corresponding sector diagram based on percentage or central angle?

1. Data collection

Questionnaire

Among the five types of people listed above, the type of person that moved me the most is ( ). (Single choice)

A Disaster victim B Doctor C Reporter

D soldier E volunteer

2. Organization of data

3. Data Description

Li Yili

a table

The second picture - bar chart, fan chart

Three notes

① Questionnaire-reasonable and scientific design

②Statistical table - complete items and accurate data

③Statistical chart - accurate proportions, no omission of table notes

Four steps - collection, organization, drawing, analysis

Homework: P153 Exercises 1 and 2

P158-159 1, 2

Supplement: Please design a questionnaire to investigate the earthquake relief donations of our classmates, sort it out, and use statistical charts to analyze it.

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Update Time: 2024-11-19

This template belongs to Mathematics courseware People's Education Press Seventh Grade Mathematics Volume 2 industry PPT template

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