Answer :
The null hypothesis is that the average income of those who work more and those who work less tends to be equal.
What is the null hypothesis?
The null hypothesis is a typical statical theory that suggests that no statical relationship and significance exists in a set of given single observed variables, between two sets of observed data and measured phenomena.
The null hypothesis is significant because it offers a rough description of the phenomena inferred from the available evidence. It enables researchers to empirically test the relationship statement in a study.
Example: The null hypothesis is that the population density is the same across all states.
The average income of those who work more and those who work less tends to be equal
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