Answer: The average cost of a home
The number of booksellers and libraries in town
The number of people who sign their own marriage licence and will
The Number of people coming to town for employment
Step-by-step explanation:
The types of data that would be studied to investigate the link between literacy levels and increase in income will be:
• The average cost of a home
• The number of booksellers and libraries in town
• The number of people who sign their own marriage licence and will
• The number of people coming to town for employment
It should be noted that options such as the number of people who died of the disease tuberculosis, amount of wheat produced etc aren't related to the question.