Jordan is investigating who is healthier, the males or the females in her village. What factors could Jordan consider?
Diet, age, history of illness
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Check
Okay!
Check
boom
Lose 50 points!
Oops!
shark
Other team loses 10 points!
Okay!
fairy
Take points!
5
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25
banana
Go to last place!
Oops!
15
Mia is investigating whether "Mia" is a common name in other countries. Decide Primary or secondary data.
Secondary data
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Okay!
Check
15
State a reason why her data collection sheet is not suitable
1. the age group overlaps
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Okay!
Check
15
Jordan is investigating who is healthier, the males or the females in her village. What are the first three steps to carry out a statistical investigation.
1. Hypothesis 2. Questions 3. Data to collect
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Check
Okay!
Check
banana
Go to last place!
Oops!
gold
Win 50 points!
Okay!
rocket
Go to first place!
Okay!
thief
Give points!
5
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15
Jake is investigating how many people use a local supermarket. Decide primary or secondary data
Primary
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Okay!
Check
15
State two problems might have in collecting data.
1. Might not want to give sensitive information 2. Fake information
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Okay!
Check
trap
No points!
Oops!
rocket
Go to first place!
Okay!
shark
Other team loses 5 points!
Okay!
thief
Give points!
5
10
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25
15
Razi surveyed the makes of motorcycles at a motorcycle show. Design a suitable data collection sheet
1. Make of motorcycles 2. Tally 3. Frequency
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Okay!
Check
15
Hassan is investigating whether good basketball players are also good at rugby. What is the hypothesis.
good basketball players are also good at rugby
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Okay!
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15
State two reasons why her data collection sheet is not suitable. (Film watching habits)
1. Overlapping values 2. No "zero" option
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Okay!
Check
15
There are 400 adults in the village. What is the sample size?
40
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Okay!
Check
15
Tom is investigating whether the number of flights to KLIA airport have increased in the last two years. Decide primary or secondary data