Anita Gill recently assumed responsibility for a large investment portfolio.She wonders whether industry sector influences investment objective.Her staff prepared the following contingency table from a random sample of 200 common stocks: 
Anita's null hypothesis is ___.
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Managerial Positions
Roles within an organization that involve overseeing and directing the work of other employees, making strategic decisions, and ensuring the achievement of organizational goals.
Top-Level Jobs
Positions within an organization that hold significant responsibility, authority, and are often part of the executive or senior management team.
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