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"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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"Statistical Survey" data collection, organization and description PPT courseware 8:
"Statistical Survey" Data Collection, Arrangement and Description PPT Courseware 8 Learning Objectives 1. Be able to design appropriate survey plans according to specific situations and further understand the importance of the representativeness and breadth of samples in sampling surveys; 2. Understand the three types of statistical graphs Their respective characteristics can be adjusted according to...
"Statistical Survey" data collection, organization and description PPT courseware 7:
"Statistical Survey" Data Collection, Arrangement and Description PPT Courseware 7 Teaching Objectives Knowledge and Abilities 1. Master the method of data collection - questionnaire; 2. Master the methods of data organization - tables; 3. Master the methods of data depiction - bar charts, fan charts...
"Statistical Survey" data collection, organization and description PPT courseware 6:
"Statistical Survey" Data Collection, Arrangement and Description PPT Courseware 6 Concept Formation 1. Sampling survey: collecting data by surveying some objects and estimating the whole situation based on the parts is called sampling survey. 2. Overall: all the objects to be investigated It's called the overall...