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Updated December 7, 2023 at 3:40 PM. Shop Mark & Graham's Big Gift Event and save up to 50% off select items, 20% off clearance + free shipping. Gift-giving isn't always easy. Some people...
amazon.com. $269.95. More. Let's start with our fave treadmill on this list, the Merach Walking Pad, which is currently discounted for 47 percent off. WH executive health and fitness director ...
People, this is basically free money: Don't miss your chance to sign up for a Sam's Club membership while it's discounted by 50%. This amazing deal only runs through March 31, so don't wait. $25 ...
Buy one, get one free. " Buy one, get one free " or " two for the price of one " is a common form of sales promotion. Economist Alex Tabarrok has argued that the success of this promotion lies in the fact that consumers value the first unit significantly more than the second one. So compared to a seemingly equivalent "Half price off" promotion ...
50% Off. " 50% Off " is the second episode of the fifth season of the AMC television series Better Call Saul, a spin-off series of Breaking Bad. The episode aired on February 24, 2020, on AMC, in the United States. Outside of the United States, the episode premiered on the streaming service Netflix in several countries.
This is considered important because items vary in difficulty and the point-biserial correlation cannot attain its theoretical maxima [+1,-1] unless the proportion correct is 0.50 (50% answering the item correctly). The biserial correlation has a correction that, in theory, avoids this issue.