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StatisticsQ&A LibraryParent opinion, part 1 In a large city school system with20 elementary schools, the school board is considering theadoption of a new policy that would require elementarystudents to pass a test in order to be promoted to the nextgrade. The PTA wants to find out whether parents agreewith this plan. Listed below are some of the ideas proposedfor gathering data. For each, indicate what kind of samplingstrategy is involved and what (if any) biases might result.a) Put a big ad in the newspaper asking people to logtheir opinions on the PTA website.b) Randomly select one of the elementary schools andcontact every parent by phone. c) Send a survey home with every student, and ask par-ents to fill it out and return it the next day. d) Randomly select 20 parents from each elementaryschool. Send them a survey, and follow up with a phonecall if they do not return the survey within a week.Start your trial now! First week only $4.99!*arrow_forward*

Question

Parent opinion, part 1 In a large city school system with

20 elementary schools, the school board is considering the

adoption of a new policy that would require elementary

students to pass a test in order to be promoted to the next

grade. The PTA wants to find out whether parents agree

with this plan. Listed below are some of the ideas proposed

for gathering data. For each, indicate what kind of sampling

strategy is involved and what (if any) biases might result.

a) Put a big ad in the newspaper asking people to log

their opinions on the PTA website.

b) Randomly select one of the elementary schools and

contact every parent by phone.

20 elementary schools, the school board is considering the

adoption of a new policy that would require elementary

students to pass a test in order to be promoted to the next

grade. The PTA wants to find out whether parents agree

with this plan. Listed below are some of the ideas proposed

for gathering data. For each, indicate what kind of sampling

strategy is involved and what (if any) biases might result.

a) Put a big ad in the newspaper asking people to log

their opinions on the PTA website.

b) Randomly select one of the elementary schools and

contact every parent by phone.

c) Send a survey home with every student, and ask par-

ents to fill it out and return it the next day.

ents to fill it out and return it the next day.

d) Randomly select 20 parents from each elementary

school. Send them a survey, and follow up with a phone

call if they do not return the survey within a week.

school. Send them a survey, and follow up with a phone

call if they do not return the survey within a week.

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