A card-dealing machine deals spades (1) ,hearts (2) ,clubs (3) ,and diamonds (4) at random as if from an infinite deck.In a randomness check,1,600 cards were dealt and counted.The results are shown below. 
For the goodness-of-fit test,the value of the test statistic is _____.
Definitions:
Secured Party
The party that holds the interest in a secured property.
Uniform Commercial Code
A comprehensive set of laws governing all commercial transactions in the United States, intended to harmonize the law of sales and other commercial transactions across American jurisdictions.
Purchase-Money Security Interest (PMSI)
A security interest formed when a debtor uses borrowed money from the secured party to buy the collateral.
Unsecured Party
A creditor or lender that does not have rights to specific collateral if the borrower defaults.
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