Example of alternative hypothesis

Answer 1

5. The manufacturer of a spot remover claims that his product removes 90 percent of all spots. In a random sample, the spot remover removes 11 of 16 stains. Write the null and alternative hypotheses.

Answer 2

In statistical hypothesis testing, the alternative hypothesis (H1) is a statement that is the opposite of the null hypothesis (H0). It represents the researcher's hypothesis that there is a significant difference, effect, or relationship between variables being studied. For example, if the null hypothesis states that there is no difference in test scores between two groups, the alternative hypothesis would assert that there is a significant difference in test scores between the two groups. The alternative hypothesis is typically denoted as Ha in statistical notation.