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With 20 pairs of interval scores, the paired t has 38 degrees of freedom.
Sealed-bid
A bidding process where all the bids are kept confidential until a designated opening time, preventing bidders from seeing competitors' bids.
Auctions
A public sale process where goods or services are sold to the highest bidder.
Common-value Auction
An auction format where the item for sale is of the same value to all bidders, but the bidders may have different information about the item's actual value.
Oral Auctions
Competitive bidding events where bids are made verbally in real-time, often conducted by an auctioneer.
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