Collecting Data

The number of times a drawing pin lands "point down" when it dropped 200 times

• Experiment

• Survey

• Observation

The number of people that go into your local grocery shop each hour

• Experiment

• Survey

• Observation

The number of brothers and sisters that students in your class have

• Experiment

• Survey

• Observation

The type and number of pets owned by people living in your street or village

• Experiment

• Survey

• Observation

the number of times the king of hearts is drawn from a pack of playing cards in 100 draws

• Experiment

• Survey

• Observation

the number of people that use your local swimming pool in the morning

• Experiment

• Survey

• Observation

the number of times people in your family traveled by train the last month

• Experiment

• Survey

• Observation

choose suitable degree of accuracy

the height of students in a class

• nearest millimeter

• nearest centimeter

• nearest meter

choose suitable degree of accuracy

the weight of students in a class

• nearest 10 kilogram

• nearest kilogram

• nearest 0.1 kilogram

choose suitable degree of accuracy

the time it takes the students to run 400 m

• nearest minute

• nearest second

• nearest 0.1 second