A researcher wants to know if people of different age groups spend the same time on purchasing goods and services. The researcher considers four age groups and conducts a survey using random sample for each of these groups. Each person answered the question, how many hours, on average, he or she usually spends on purchasing goods and services during a week. The results are represented in the table below. 
Chose the correct null and alternative hypotheses statements.
Definitions:
Evolution of Altruism
The process through which selfless behaviors that benefit other individuals at a cost to oneself become advantageous in evolutionary terms.
Group Selection
A theory in evolution proposing that natural selection operates on groups, not just individuals, for the survival benefit of the group.
Forage
The act of searching for and exploiting food resources in the environment by animals.
Monogamy Hypothesis
The theory suggesting that monogamy is favored in certain environments as it enhances offspring survival through biparental care.
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