when you compare bids in the week when to test bid amount how to find the average bid amount what is the purpose of a t test? what is the test called when a bid is higher than the normal how to find the difference between bid amount and sample mean how to find if bid amount has jumped determining whether bid increases or decreases which t-test is used to compare bid value how do i tell the difference between average and daily bidding how to find difference between bids on a week which is true about the bid? how does bidding data compare how do you test the data how to find if bid is higher than normal how to test for a decrease from the average bid amount how is compared bid how to determine when a bid is significant which is a useful technique to compare sample data when is the bid amount higher on a test