What does rejecting the null hypothesis mean?

The null hypothesis (often denoted H0) is the claim in scientific research that the effect being studied does not exist. ... The null hypothesis can also be ... A hypothesis test formally tests if the population the sample represents is normally-distributed. The null hypothesis states that the population is normally ... The null hypothesis in the colloquial sense is a claim that we want to put to the test. It is usually the default, inherited state of matters, or a state of ... A null hypothesis is developed to test the possibility that, given a sufficiently long period of time, these events are inevitable and occur purely as a ... It is concluded that research traditions and customs of discrimination against accepting the null hypothesis may be very detrimental to research progress. noun : a statistical hypothesis to be tested and accepted or rejected in favor of an alternative; specifically : the hypothesis that an observed difference Feb 4, 2025 ... In the simplest terms, a hypothesis is something that a researcher tries to prove, while a null hypothesis is something that a researcher tries ... Researchers create the null hypothesis to serve as a reference point for comparison of their findings. Usually represented by the symbol H0, this hypothesis ... This chapter introduces the second form of inference: null hypothesis significance tests (NHST), or “hypothesis testing” for short. The main statistical end ... A null hypothesis is a type of statistical hypothesis that proposes that no statistical significance exists in a set of given observations. Hypothesis testing ...