(1)經(jīng)濟(jì)意義準(zhǔn)則; (2)統(tǒng)計(jì)檢驗(yàn)準(zhǔn)則; (3)計(jì)量經(jīng)濟(jì)檢驗(yàn)準(zhǔn)則
以下是某城市10個(gè)市場(chǎng)蘋果需求(Y)和價(jià)格(X)的數(shù)據(jù):
估計(jì)蘋果在本均值點(diǎn)的需求彈性