An advertising agency wants to test the hypothesis that the proportion of adults in a country who read a Sunday Magazine is 25 percent. The null hypothesis is that the proportion reading the Sunday Magazine is:
Answers
An advertising agency wants to test the hypothesis of the proportion or adults who read the Sunday magazines is 25 percent.
Therefore, the null hypothesis is that the proportion reading the Sunday magazine is equal to 25 percent.
The validity of the sample of such hypothesis is also called the statistical hypothesis.
Answer:
The null hypothesis when tested by the advertising agency is that the proportion of adults reading the Sunday magazine is not 25 percentages.
Given: The proportion of adults in a country who read a Sunday Magazine is 25 percentage.
Concept: ”Alternative hypothesis and Null hypothesis”
Hypothesis is an assumption or explanation made on the basis of limited proof. It serves as an origin point for further examination, experimentation or surveying.
Alternative hypothesis
When a person tries to prove a hypothesis and he/she succeeds in it , then it is called as alternative hypothesis.It confirms the fact that the variables listed under the hypothesis have statistical backing or proof.
Alternative hypothesis summarizes that the researcher’s reasoning is true.
Null hypothesis
When a person who expects to reach an alternative hypothesis finds the hypothesis to be disapproving, it is called as null hypothesis.It rejects the variables listed under the hypothesis and proves that they have no statistical or experimental backing.
Null hypothesis indicates the changes or revisions to be made on the variables chosen for the study of a hypothesis.Thus the outcome of every testing will either prove alternative hypothesis or null hypothesis as true.