Question: how are null and alternative hypotheses written?
Answer: In a hypothesis test, we: Evaluate the null hypothesis, typically denoted with H 0. ... The null statement must always contain some form of equality (=, ≤ or ≥) Always write the alternative hypothesis, typically denoted with H a or H 1, using less than, greater than, or not equals symbols, i.e., (≠, >, or <).