Which of the following descriptions of null hypothesis are correct? (Select all that apply)
a. A null hypothesis is a hypothesis tested in significance testing.
b. The parameter of a null hypothesis is commonly 0.
c. The aim of all research is to prove the null hypothesis is true
d. Researchers can reject the null hypothesis if the P-value is above 0.05
a. A null hypothesis is a hypothesis tested in significance testing.
b. is false because a parameter can be anything we choose it to be
c. is false because our aim is to disprove or fail to reject the null hypothesis
d. is false since a p-value below 0.05 is often the rejection level.
a. A null hypothesis is a hypothesis tested in significance testing.
b. The parameter of a null hypothesis is commonly 0.
c. The aim of all research is to prove the null hypothesis is true
d. Researchers can reject the null hypothesis if the P-value is above 0.05
a. A null hypothesis is a hypothesis tested in significance testing.
b. is false because a parameter can be anything we choose it to be
c. is false because our aim is to disprove or fail to reject the null hypothesis
d. is false since a p-value below 0.05 is often the rejection level.