Please assist with both questions! Thank you. Historically, the percentage of ch

Question

Please assist with both questions! Thank you.

Historically, the percentage of children who leave foster care due to adoption was 15%. A social worker believes this is no longer the case. After performing a hypothesis test on her claim, she fails to reject the null hypothesis. In fact the actual percentage of children who leave foster care due to adoption was 20%, was an error made? If so, what type? 7. An educational software company advertises that its software can improve students' grades by at least 15%. A student believes that the percentage increase is actually less than 15%, and he conducts a hypothesis test. The conclusion of the hypothesis test is to reject the null hypothesis. If the percentage increase in grades for all students using the software is actually 13%, was an error committed? If so, what type? 8.

Explanation / Answer

7)supporting a false null hypothesis is known as typen1 error,

So this is a type 1 error

8)no error made

Related Questions

Navigate

• Browse (All)
• Browse P
• Subjects

---