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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15
State two problems might have in collecting data.
1. Might not want to give sensitive information 2. Fake information
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boom
Lose 50 points!
Oops!
gift
Win 10 points!
Okay!
fairy
Take points!
5
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15
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25
banana
Go to last place!
Oops!
15
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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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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thief
Give points!
5
10
15
20
25
magnet
Take 10 points!
Okay!
fairy
Take points!
5
10
15
20
25
lifesaver
Give 15 points!
Oops!
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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lifesaver
Give 20 points!
Oops!
magnet
Take 10 points!
Okay!
fairy
Take points!
5
10
15
20
25
lifesaver
Give 25 points!
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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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15
There are 400 adults in the village. What is the sample size?
40
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15
Tom is investigating whether the number of flights to KLIA airport have increased in the last two years. Decide primary or secondary data
Secondary.
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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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15
State a reason why her data collection sheet is not suitable
1. the age group overlaps
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15
Mia is investigating whether "Mia" is a common name in other countries. Decide Primary or secondary data.