Collecting data

The number of times a drawing pin lands ‘point down’ when it is dropped 200 times

• Experiment

• Observation

• Survey

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

• Experiment

• Observation

• Survey

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

• Experiment

• Observation

• Survey

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

• Experiment

• Observation

• Survey

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

• Experiment

• Observation

• Survey

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

• Experiment

• Observation

• Survey

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

• Experiment

• Observation

• Survey

which of these would be the most suitable degree of accuracy for measuring: the heights of the student in a class.

• Nearest millimetre

• Nearest centimetre

• Nearest metre

which of these would be the most suitable degree of accuracy for measuring: the weights of the students in a class

• Nearest 10 kilograms

• Nearest kilogram

• Nearest 0.1 of a kilogram

which of these would be the most suitable degree of accuracy for measuring: the time it takes students to run 400m

• Nearest minute

• Nearest second

• Nearest 0.01 of a second