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舉例說(shuō)明什么是抽樣中的“隨機(jī)誤差”?
答案:
隨機(jī)誤差是指在抽樣調(diào)查中,由于樣本是從總體中隨機(jī)抽取的,每個(gè)樣本可能包含不同的個(gè)體,因此樣本統(tǒng)計(jì)量(如樣本均值、樣本比例...
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多項(xiàng)選擇題
Which of the following is an immediate effect of an increase in money supply by the European Central Bank by 10 percent?
A.TherewillbeaninflowofforeigncapitalinthecountriesbelongingtotheEuropeanUnion.
B.Theexpectedexchangeratevalueoftheforeigncurrenciesvis-à-vistheEurowillincrease
C.TheinterestrateintheEUcountrieswillincrease
D.TheproductpricesintheEUcountrieswilldeclinedrastically.
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判斷題
The quantity supplied of loanable funds is greater if real interest rates are higher.()
答案:
正確
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