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【单选题】
精密度与准确度的关系是()A.
精密度高，准确度一定高
B.
准确度高，精密度一定高
C.
二者之间无关系
D.
准确度高，精密度不一定高
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皮皮学刷刷变学霸
举一反三
【单选题】If the price of a product changes by 10 percent, and as a result quantity demanded changes by 5 percent ( )
A.
demand for the product is price elastic
B.
revenue will rise if the price change was an increase
C.
revenue will fall if the price change was an increase
D.
revenue will rise if the price change was a reduction
【简答题】在SQL Server 2008中，计算两个日期之差的函数是【6】。
【单选题】If the price of a product changes by 5 percent, and as a result quantity demanded changes by 5 percent ( )
A.
demand is price elastic
B.
This can only be the result of a rightward shift of the demand curve
C.
The price elasticity of demand is unity
D.
This can only be the result of a leftward shift of the demand curve
【简答题】What would be the real rates of return on the assets in the preceding question(3,4,5) if the price changes described were accompanied by a simultaneous 10 percent increase in all dollar prices?
【判断题】If a determinant of demand other than price changes, the demand curve shifts.
A.
正确
B.
错误
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