Hypothesis testing allows us to use an analytical process to determine if a hypothesis is retained or rejected. This process compares a null hypothesis (HO), which states things as we believe they are, to an alternative hypothesis (HA), which proposes a change to what we believe exists.
Respond to the following in a minimum of 175 words:
a. Discuss the concepts of hypothesis testing, including what you are evaluating.
b. When hypothesis testing should be used.
c. What are the differences between a one- and a two-tailed test?
d. Describe one example from your personal or professional experiences where you could apply a hypothesis test. Discuss how knowing that information helped you.
Hypothesis testing is a statistical method used to determine whether there is enough evidence to support a claim about a population. The claim is made in the form of a hypothesis, which is a statement about the population. The hypothesis is tested using data from a sample of the population.