What is the purpose of hypothesis testing? 0 To turn a hypothesis into a proven theory. 0 To infer sample statistics after observing population parameters. 0 To evaluate claims about a population. 0 To show your friends how smart you are _ Which of the following are hypothesis testing methods? C] P-value method C] Traditional method C] Condence interval method C] Rational method D Question 3 1 pts What is the definition of level of significance (a) in the context of this course? O The meaning of life itself. O The conjecture about a population parameter. O The decision to reject or not reject the null hypothesis. O The maximum probability of committing a type | error.. D Question 4 1 pts Which of the following are examples of a null hypothesis? O 20