[信息與通信]統(tǒng)計(jì)學(xué)-資料下載頁
2025-01-14 09:17本頁面
【正文】 e chart ?條圖 bar chart ?散點(diǎn)圖 scatter plot ?統(tǒng)計(jì)地圖 statistical maps ?莖葉圖 stemandleaf plot 餅圖 pie chart ?目前我國艾滋病的傳播途徑主要以靜脈注射吸毒感染為主，占累計(jì)總數(shù)的 68%，經(jīng)采血途徑感染人數(shù)占%。此外，經(jīng)性接觸感染人數(shù)占%，血液和血制品感染占 % ，母嬰傳播占 %，尚有 %傳播途徑不詳 我國艾滋病的傳播途徑 1 3 . 4 %. 2 %1 . 5 %7 . 2 %9 . 7 %6 8 . 0 %途徑不詳母嬰傳播血液和血制品性接觸采血靜脈注射吸毒條圖 bar chart 經(jīng)濟(jì)系2 0 0 1 級(jí)年齡構(gòu)成情況年齡2221202118人數(shù)403020100性別女男1527203 3312310散點(diǎn)圖 scatter plot 身高 (cm )190180170160150140體重(kg)90807060504030莖葉圖 stemandleaf plot ?Customers per Day for Speedy Dry Cleaners 65 21 26 45 12 45 56 35 26 45 25 56 45 32 12 56 53 23 24 45 36 35 15 45 19 05 56 53 26 53 56 54 52 25 26 34 35 36 31 23 26 25 46 45 56 52 51 53 26 64 23 24 21 29 28 65 39 38 26 37 24 28 25 35 67 38 16 18 46 23 35 38 32 57 48 49 53 34 31 37 18 29 37 34 31 26 15 43 (88days） 莖葉圖 stemandleaf plot ? When the values are placed in order, the sternandleaf plot looks like this ： 1 225689 2 13333344455555666666688899 3 1112244455555667778889 4 355555556689 5 1223333346666667 6 4557 實(shí)例 ? 30個(gè)企業(yè)的固定資產(chǎn)資料如下 (單位：萬元 )： 285 340 386 417 485 615 562 620 622 648 655 690 721 743 795 815 840 878 925 930 955 1140 1200 1225 1240 1342 1331 1421 1540 1624 ?要求：分別編制組距為 200和 300的等距數(shù)列，并分析哪種分組方法較好 ? 組距為 200的直方圖 fixed assets86420Std. Dev = Mean = N = 2344764組距為 300的直方圖 fixed assets14121086420Std. Dev = Mean = N = 265125第七節(jié) 統(tǒng)計(jì)匯總 ?一、統(tǒng)計(jì)匯總的組織形式 (一 )逐級(jí)匯總 (二 )集中匯總 (三 )綜合匯總 ?二、統(tǒng)計(jì)資料匯總的方法 (一 )手工匯總 (二 )電子計(jì)算機(jī)匯總 第八節(jié) 統(tǒng)計(jì)表 ?一 、 統(tǒng)計(jì)表是用縱橫交叉的線條所繪制的表格來表現(xiàn)統(tǒng)計(jì)資料的一種形式。統(tǒng)計(jì)表主要是指統(tǒng)計(jì)整理表和統(tǒng)計(jì)分析表，但廣義的統(tǒng)計(jì)表也包括調(diào)查表。 ?二 、 (一 )從形式上看，統(tǒng)計(jì)表由總標(biāo)題、橫行標(biāo)題、縱欄標(biāo)題、指標(biāo)數(shù)值四部分組成。(二 )從內(nèi)容上看，統(tǒng)計(jì)表由主詞和賓詞兩部分組成。 三、統(tǒng)計(jì)表的種類 ?(一 )統(tǒng)計(jì)表按作用不同，可分為調(diào)查表、整理表和分析表。 ?(二 )統(tǒng)計(jì)表按主詞分組情況不同，可分為簡(jiǎn)單表、分組表和復(fù)合表。 what miles on The Car? ?A blonde（ 金發(fā)女郎 ） and a brute（ 黑人婦女 ） were talking, and the blonde was very stressed. The brute asked her what was the matter. The blonde proceeded to tell her that she really needed to sell her car, but no one would buy because it has 100,000 miles on it. ?The brute said to her, I know a way that will help you sell it. I have a friend who can help you, but it39。s illegal. ?The blonde said, I39。ll do anything.So the brute gave the blonde the phone number of a guy who could turn back the odometer on her car. A week later the blonde and the brute crossed paths, and the brute asked the blonde if she had sold her car yet. ?The blonde said, Why would I sell a car with only 50,000 miles on it?! 課間休息 (4) ?Q: Which is the strongest creature in the world? A: The snail. It carries its house on its back. ?Q: What39。s the difference between a monkey and a flea? A: A monkey can have fleas, but a flea can39。t have monkeys. 課間休息 (3) ?A woman marries a man with the ridiculous belief that she can change him。a man marries a woman with the native idea that she will continue to be the same. 一個(gè)女人要嫁給一個(gè)男人時(shí)，總是荒謬地認(rèn)為她可以改變他。一個(gè)男人要娶一個(gè)女人時(shí)，總會(huì)抱著天真的想法，她會(huì)一直不變。
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