Which of the following hypotheses is a null hypothesis?
A) There is no difference in the monthly grocery bills of families with one child and families with two children
B) Grocery bills vary according to the number of meals eaten outside the home
C) Families with two children have significantly higher grocery bills than families with just one child
D) There is a relationship between grocery bills and the number of people in a household
E) The mean age in a household is predictive of the amount of money sent on food each month

Question

Quizplus · Accepted Answer

The null hypothesis is typically a statement that suggests there is no significant difference or relationship between two variables. In this case, option A suggests that there is no difference in grocery bills between families with one child and families with two children, making it a null hypothesis.

Which of the Following Hypotheses Is a Null Hypothesis