For each of the following statements state whether it is tru

For each of the following statements, state whether it is true or false. Justify your answer.

b) The statement p=0.3 is a valid statistical hypothesis.

c) The significance level of a hypothesis test is estimated from the data.

d) The decision of whether a null hypothesis is rejected or not can depend on whether a one sided or two sided test is conducted.

Solution

b) False because p^ denotes sample proportion and in statistical hypothesis we test population proportion.

c) False, before testing, researchers fix the significance level which denotes the probability of type I error.

d) False, this depende on whether the p-value is less than or greater than the significance level.