Explain the procedure
for testing a hypothesis using the P-value approach? What is the
criterion for judging whether to reject the null hypothesis?
6. What does the level
of significance represent in a test of hypothesis? Give an
example.
7. Explain the
difference between "accepting" and "not rejecting" a null
hypothesis.
1. Explain why impurities broaden the melting point of a
compound.
2. In the recrystallization process, when removing insoluble
impurities why is it important to keep the filtration apparatus on
the hot plate?
3. In the recrystallization process, why is it important to cool
the solution slowly after heating?