Hassan is investigating whether good basketball players are also good at rugby. What is the hypothesis.
good basketball players are also good at rugby
Mia is investigating whether "Mia" is a common name in other countries. Decide Primary or secondary data.
Secondary data
Jake is investigating how many people use a local supermarket. Decide primary or secondary data
Primary
Jordan is investigating who is healthier, the males or the females in her village. What factors could Jordan consider?
Diet, age, history of illness
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
There are 400 adults in the village. What is the sample size?
40
State two problems might have in collecting data.
1. Might not want to give sensitive information 2. Fake information
State two reasons why her data collection sheet is not suitable. (Film watching habits)
1. Overlapping values 2. No "zero" option
State a reason why her data collection sheet is not suitable
1. the age group overlaps
Razi surveyed the makes of motorcycles at a motorcycle show. Design a suitable data collection sheet
1. Make of motorcycles 2. Tally 3. Frequency
Tom is investigating whether the number of flights to KLIA airport have increased in the last two years. Decide primary or secondary data
Secondary.
