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We can use the Friedman test to determine whether two populations differ. The conclusion will be the same as that produced by the sign test.
Retained Earnings
The portion of net income left over for the business after it has paid out dividends to its shareholders, which is reinvested in the business.
Annual Revenues
The total amount of money received by a company for goods sold or services provided during a fiscal year.
Net Income
The concluding profit figure for a company, arrived at by deducting every type of expense and tax from its complete revenue.
Accumulated Depreciation
The total amount of a tangible asset's cost that has been allocated as depreciation expense since it was put into use, reflecting usage or wear and tear.
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