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Grade 8 - Revision
Game Code: 1171429
English
21
Public
Grade 8 - Revision
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Primary data
Information that you collect yourself
15
What is it?
Carry out an experiment
15
What is it?
Ask a question
15
Secondary data
Data that someone else has already collected
15
3 ways to collect primary data
Carry out a survey, Ask people a questions, Carry out an experiment
15
3 ways to collect secondary data
Look on the internet, Look on the books, Look on the newspaper and magazines
20
Would you collect primary data or secondary data to answer the following questions? What is the favourite colour of the students in your class?
Primary data
15
Would you collect primary data or secondary data to answer the following questions? What is the most popular make of car in your country?
Answer: Secondary data
15
If you were doing a survey, which units shown on the right would you use to measure: The distance a person can cycle in 1 hour
Answer: kilometres
10
Would you collect primary data or secondary data to answer the following questions? Which sport is played by the most students in your school?
Answer: Primary data
20
This is a table in which you use tally marks to fill in response
Data-collection sheet
5
a table that lists items and shows the number of times the items occur
Frequency table
10
tally chart
biểu đồ kiểm kê
10
polygon that has 5 sides, or 6 sides
pentagon or hexagon
5
quadrilateral that has 2 pair of parallel sides
parallelogram
25
quadrilateral that has 1 pair of parallel sides
trapezoid/trapezium
10
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