The null hypothesis in a runs test is 
the data series is random.
Definitions:
Market Price
The current price at which an asset or service can be bought or sold, determined by supply and demand dynamics in the market.
Equilibrium Price
The market price at which the quantity of a good or service supplied is equal to the quantity demanded, leading to market balance.
Market Price
The amount of money that a product is bought or sold for in the marketplace; determined by supply and demand.
Surplus
A situation where the quantity supplied of a good exceeds the quantity demanded, often leading to lower prices or stored inventory.
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Q55: A low p-value provides evidence for accepting