which of the following statements are true of the null and alternative hypotheses course hero

by Dr. Kip Howe I 10 min read

Why is null hypothesis important?

IMPORTANCE. The purpose and importance of the null hypothesis and alternative hypothesis are that they provide an approximate description of the phenomena. The purpose is to provide the researcher or an investigator with a relational statement that is directly tested in a research study. The purpose is to provide the framework for reporting ...

What is the difference between null hypothesis and alternative hypothesis?

The major differences between the null hypothesis and alternative hypothesis and the research problems are that the research problems are simple questions that cannot be tested. These two hypotheses can be tested, though. The null hypothesis and alternative hypothesis are required to be fragmented properly before the data collection ...

What is hypothesis in research?

A hypothesis is an approximate explanation that relates to the set of facts that can be tested by certain further investigations. There are basically two types, namely, null hypothesis and alternative hypothesis. A research generally starts with a problem. Next, these hypotheses provide the researcher with some specific restatements and clarifications of the research problem.

Why are null hypothesis and alternative hypothesis fragmented?

The null hypothesis and alternative hypothesis are required to be fragmented properly before the data collection and interpretation phase in the research. Well fragmented hypotheses indicate that the researcher has adequate knowledge in that particular area and is thus able to take the investigation further because they can use a much more systematic system. It gives direction to the researcher on his/her collection and interpretation of data.

What is an alternative hypothesis?

The alternative hypothesis states what we think is wrong about the null hypothesis. Alternative hypothesis is also referred to as the research hypothesis. It states that the researcher wishes to approve or disapprove. It is always a contrary of the null hypothesis and has the following forms.

What is the purpose of a hypothesis test?

A hypothesis test uses sample data to determine whether to reject the null hypothesis. The null hypothesis (H0 ), stated as the null, is a statement about a population parameter, such as the population mean, that is assumed to be true. The null hypothesis is a starting point.

What is a directional hypothesis?

The directional hypothesis is a kind that explains the direction of the expected findings. Sometimes this type of alternative hypothesis is developed to examine the relationship among the variables rather than a comparison between the groups. The non directional hypothesis is a kind that has no definite direction of the expected findings being ...