A psychologist studying the rate at which infants in three different countries vocalized distress obtained the scores below from each country.Which group of infants showed the highest mean rate of distress vocalization? 
Definitions:
Contributions
Money, time, or resources given to support a cause, organization, or project.
Monthly Payments
Regular payments made once a month, often in the context of repaying loans or mortgages.
Borrow
The action of receiving something from another party with the intention of returning it or its equivalent at a later date.
Ordinary Annuity
A series of equal payments made at regular intervals over a specified period of time, with interest compounding at the end of each period.
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