急 (17 20:12:22)
條形統(tǒng)計(jì)圖能表示各種數(shù)據(jù)的__________,其優(yōu)點(diǎn)是___________；缺點(diǎn)是_________；扇形統(tǒng)計(jì)圖能夠表示各部分?jǐn)?shù)量的___________,其優(yōu)點(diǎn)是_______,缺點(diǎn)是_________；折線統(tǒng)計(jì)圖能夠表示數(shù)據(jù)的_________,其優(yōu)點(diǎn)是________,缺點(diǎn)是__________.
在扇形統(tǒng)計(jì)圖中,扇形所對(duì)圓心角的度數(shù)與百分比的關(guān)系是：圓心角的度數(shù)=________x_______.
在整理數(shù)據(jù)時(shí),我們往往把數(shù)據(jù)分成若干組,而各個(gè)小組的________叫做該組的頻數(shù).
得到頻數(shù)分布直方圖的步驟為：①________;②__________;③_________.
頻數(shù)分布直方圖的縱軸一般表示_______,而橫軸根據(jù)實(shí)際情況而定.