Write the null and research hypotheses for the following description of a research study A group of middle-aged men was asked to complete a questionnaire on their attitudes toward work and family....

Write the null and research hypotheses for the following description of a research study

A group of middle-aged men was asked to complete a questionnaire on their attitudes toward work and family. Each of these men is married and has at least two children. Another group of men with no children also completed the same survey.