Aresearcher may use a two-tailed test to evaluate a directional hypothesis. true or false

Given that a directional hypothesis is a prediction made by a researcher regarding a positive or negative change, relationship, or difference between two variables of a population, a two-tailed test is the perfect tool to validate it because a two-tailed test is designed to examine both sides of a specified data range.

So the final answer to this question is:

True.

true, took the test :)                                                                                                                                                                                                                                  

the answer should be b.

explanation:

it should be b because she researched before writing so it would be in past tense. "the author researches her subject before she had written the first draft.

2. list two reasons why fossil fuels should no longer be used as a source of energy in america.