SIMPLE QUESTION PLZ HELP

Rodrigo sits at a street corner and records the number of red sports cars that are not speeding. What kind of study is this?
a) experiment
b) observational study
c) sample survey
d) double-blind study

Question

SIMPLE QUESTION PLZ HELP

Rodrigo sits at a street corner and records the number of red sports cars that are not speeding. What kind of study is this?
a) experiment
b) observational study
c) sample survey
d) double-blind study

anonymous · Answer

@JackJordan

anonymous · Answer

@mathmath333 @mathmate @help_people @hartnn

anonymous · Answer

@Hero

anonymous · Answer

@Hero @Hero @Hero

hero · Answer

What are your thoughts regarding this question?

anonymous · Answer

it seems like it'd be observational or double-blind

anonymous · Answer

am i right?

hero · Answer

Explain what you think double-blind study consists of.

anonymous · Answer

apparently not correct since i just googled it... hahaha