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For the following set of scores compute the mean,mode,sum of squares,variance and standard deviation: 30 32 34 40 50 45 46 47
Refrigeration
The process of removing heat from a space or substance to lower its temperature, often used for preserving food or other perishables.
Tax Returns
Official documents filed with tax authorities declaring income, profits, and losses to determine tax liability.
Post Office
A public institution responsible for mail collection, distribution, and delivery services.
Cash Payments
Transactions where payment for goods or services is made in the form of physical currency or coins.
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