cheryl wants to find the number of hours seventh - graders do homework each week. there are 297 girls and…

cheryl wants to find the number of hours seventh - graders do homework each week. there are 297 girls and boys in seventh grade. which is the best way for cheryl to get a representative sample without spending too much time? she can survey 15 of her friends in the school. she can randomly survey 50 girls in the entire school. she can survey every sixth - grade student in the school. she can randomly survey 50 seventh - graders in the school.

cheryl wants to find the number of hours seventh - graders do homework each week. there are 297 girls and boys in seventh grade. which is the best way for cheryl to get a representative sample without spending too much time? she can survey 15 of her friends in the school. she can randomly survey 50 girls in the entire school. she can survey every sixth - grade student in the school. she can randomly survey 50 seventh - graders in the school.

Answer

Brief Explanations:

To get a representative sample of seventh - graders' homework hours, the sample should be from seventh - graders and be random. Surveying friends is not random, surveying only girls or sixth - graders won't represent seventh - graders. Randomly surveying 50 seventh - graders is the best option among the given ones.

Answer:

She can randomly survey 50 seventh - graders in the school.