Leo wants to determine the average number of texts middle school students sendinatay Srce al modesto students are erroiled in history. he randomly surveyed 4 students from schof Mr Beressertgate story
diasses. Ms. Lopez and Mrs. Frank also teach eighth-gade history What should be cotoesure his des
representative of all middle school si berts
He should take the sample as is because he randomly surveyed suderts in ech of Mr. Bress desses
He should also take a sample from Ms Lopeisand Mrs Franks desses sotatach sicert has the same
chance of being chosen
He should also take a sample from each of the other history desses in all of the che gates in te medesco
He should survey all the students in all the history desses to make sure recolleas enough ata