In the field of statistics, the alternative hypothesis is a statement that stands in direct opposition to the null hypothesis. It signifies an outcome where notable differences or relationships exist. The establishment of this hypothesis plays a pivotal role in hypothesis testing. It not only influences the course of the test but also seeks to affirm the presence of an effect.
| Topic | Problem | Solution |
|---|---|---|
| None | The piston diameter of a certain hand pump is 0.6… | The problem is asking to test the hypothesis that the standard deviation of the piston diameters ha… |
| None | the proportion of people that own cats is 20\%. A… | We are given that the proportion of people that own cats is 20\%. A veterinarian believes that this… |