Question

The _______ is usually the hypothesis that the researcher wants to gather evidence against.

                null hypothesis

                alternative hypothesis

                one-tailed hypothesis

                two-tailed test of hypothesis

                               

The _______ is usually the hypothesis for which the researcher wants to gather supporting evidence.

                one-tailed test of hypothesis

                null hypothesis

                two-tailed test of hypothesis

                alternative hypothesis

Answer 1

Null and Alternative hypothesis:-

A null hypothesis is a hypothesis that says there is no statistical significance between the two variables. It is usually the hypothesis a researcher or experimenter will try to disprove or discredit. An alternative hypothesis is one that states there is a statistically significant relationship between two variables.

Usually Null hypothesis is denoted by H₀and Alternative hypothesis is denoted by H_Aor H₁.

Example of Null hypothesis-

"Hyperactivity is unrelated to eating sugar" is anexample of a null hypothesis. If the hypothesis is tested and found to be false, using statistics, then a connection between hyperactivity and sugar may be indicated.

Answers:-

1.The null hypothesis is usually a hypothesis that the researcher wants to gather evidence against.

2. The alternative hypothesis is usually the hypothesis for which the researcher wants to gather supporting evidence.