The bar charts below depict the MPAA movie ratings of 489 movies, separated by high and low critic scores. Which bar chart shows more variability in MPAA movie ratings? Why? 
Definitions:
Interest Arbitrator
An impartial third party who resolves disputes between labor unions and employers by making binding decisions.
Grievance Disputes
Conflicts arising from alleged violations of workplace agreements or contracts, often resolved through negotiated procedures.
Strike Rights
The legal rights granted to workers to cease work in order to protest against working conditions, policies, or other labor disputes without fear of retaliation.
Binding Arbitration Clause
A contractual agreement to submit disputes to an impartial third party for a decision that is final and enforceable, often used in labor agreements.
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