Two researchers studying vaccination rates independently draw samples of 50 chil

Question

Two researchers studying vaccination rates independently draw samples of 50 children, ages 3–18 months, from a large urban area, and determine if they are up to date on their vaccinations. One researcher finds that 84 percent of the children in her sample are up to date, and the other finds that 86 percent in his sample are up to date.

Assuming both followed proper sampling procedures and did their calculations correctly, what is a likely explanation for this discrepancy?

An actual difference between these groups

Expected deviation due to error

The Affordable Care Act

A Z-test

An actual difference between these groups

Expected deviation due to error

The Affordable Care Act

A Z-test

Explanation / Answer

Since both reseachers select different samples so it is very unlikely that both get excatly same results. The difference between results is beucase both samples may have different subjects.That is this is due to "An actual difference between these groups".

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.