Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
It refers to the statement about the absence of any effect claimed for a certain action. It also asserts the absence of difference between the observed and expected values.
 A Null Hypothesis B Alternative Hypothesis C Research Hypothesis
Explanation:

Detailed explanation-1: -In all statistical hypothesis tests, you have the following two hypotheses: The null hypothesis states that there is no effect or relationship between the variables.

Detailed explanation-2: -The null hypothesis is a statistical hypothesis that states: Select one: There is no difference between a parameter and a specific value, or no difference between two parameters. There is no way to determine how likely an event is to occur.

Detailed explanation-3: -The null hypothesis states that the treatment has no effect. In general the null hypothesis states that there is no change, no difference, no effect, and otherwise no relationship between the independent and dependent variables. Because we are hypothesizing that nothing is happening, it is called the null hypothesis.

Detailed explanation-4: -A scientific hypothesis is a statement of what theresearcher expects to find upon conducting a study. A statistical hypothesis, however, is a statement of what the statisticianexpects NOT to find. For this reason it is called a NULL hypothesis.

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