The main cause of road accident in our country nepal

An education expert is researching teaching methods and wishes to interview teachers from a particular school district. she randomly selects ten schools from the district and interviews all of the teachers at the selected schools. which type of sample did she use in this study? a)systematic sample b)probability sample c)stratified sample d)cluster sample

Why did the athenians choose officials by lottery? would there be drawbacks to this method? explain.

On a production possibility curve, data points that fall outside of the curve represent what