Two coffee-vending machines are studied to determine whether they distribute the same amounts. Samples are taken and the number of ounces is recorded for each machine. 
What is the appropriate null hypothesis for the claim that they distribute the same amount of coffee?
Definitions:
List Price
The manufacturer’s or retailer’s suggested retail price for a product, often before any discounts are applied.
Dealer Cost
The actual cost to the dealer or retailer to acquire a product before any mark-up for profit.
Real Estate Fees
Charges or commissions paid to agents or companies for services related to buying, selling, or leasing properties.
Proceeds
The total amount of money received from a transaction or series of transactions.
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