【正文】 質(zhì)量、問卷的回收率即其調(diào)查的結(jié)果有重要影響。這點(diǎn)強(qiáng)調(diào)的是不能在一個(gè)問題中同時(shí)問兩件事。問題太抽象、籠統(tǒng)也會(huì)使被調(diào)查者無從答起。 ③問題的表述語言要簡(jiǎn)短、通俗、準(zhǔn)確。因?yàn)檫^長(zhǎng)的句子在調(diào)查者設(shè)計(jì)和被調(diào)查者理解時(shí)，都比較容易發(fā)生錯(cuò)誤，會(huì)直接影響調(diào)查效果。問題的表述還必須做到準(zhǔn)確，不能用模棱兩可和含糊不清的詞。這是指問題的表述不能使被調(diào)查者感到，調(diào)查者希望或不希望自己填答什么內(nèi)容或選擇某項(xiàng)答案，而應(yīng)由被調(diào)查者根據(jù)客觀實(shí)際情況填答。在市場(chǎng)調(diào)查中，難免要提問敏感性問題。（4）問題的設(shè)計(jì)：?jiǎn)柧碇械母鲉栴}之間是相互聯(lián)系的，不是孤立存在的。即是說問題之間不但具有其他問題也具有的聯(lián)系，而且還帶有問題之間特有的邏輯性、連貫性。試述市場(chǎng)實(shí)驗(yàn)調(diào)查法的應(yīng)用步驟。實(shí)驗(yàn)調(diào)查一般按如下步驟開展：（1）根據(jù)市場(chǎng)調(diào)查課題，提出研究假設(shè)。通過提出研究假設(shè)，才能確定實(shí)驗(yàn)對(duì)象、實(shí)驗(yàn)環(huán)境、實(shí)驗(yàn)活動(dòng)和實(shí)驗(yàn)檢測(cè)的具體內(nèi)容。（2）進(jìn)行實(shí)驗(yàn)設(shè)計(jì)，確定實(shí)驗(yàn)方法。這其中要應(yīng)用不同的試驗(yàn)方法，從而驗(yàn)證研究假設(shè)，達(dá)到實(shí)驗(yàn)調(diào)查的目的。（3）選擇實(shí)驗(yàn)對(duì)象。根據(jù)調(diào)查課題的市場(chǎng)現(xiàn)象的特點(diǎn)，用隨機(jī)抽樣方法或非隨機(jī)抽樣方法選擇實(shí)驗(yàn)對(duì)象，實(shí)際就是從市場(chǎng)調(diào)查總體中選擇調(diào)查單位。（4）進(jìn)行實(shí)驗(yàn)。進(jìn)行實(shí)驗(yàn)還包括對(duì)實(shí)驗(yàn)結(jié)果的認(rèn)真了解和記錄，即實(shí)驗(yàn)調(diào)查搜集資料工作。（5）整理、分析資料，做實(shí)驗(yàn)檢測(cè)，得出實(shí)驗(yàn)結(jié)論。根據(jù)實(shí)驗(yàn)記錄資料，做實(shí)驗(yàn)檢測(cè)，主要是用對(duì)比方法，觀察實(shí)驗(yàn)活動(dòng)的效果，并對(duì)其進(jìn)行數(shù)量測(cè)定。根據(jù)上述步驟進(jìn)行實(shí)驗(yàn)調(diào)查，不但保證了實(shí)驗(yàn)調(diào)查的順利進(jìn)行，同時(shí)也是認(rèn)識(shí)市場(chǎng)現(xiàn)象的客觀要求。試論述市場(chǎng)調(diào)查與市場(chǎng)預(yù)測(cè)的作用。我國(guó)的各項(xiàng)國(guó)民經(jīng)濟(jì)和社會(huì)發(fā)展計(jì)劃與規(guī)劃，在其制定過程中需要依據(jù)各方面的資料，其中所必需的市場(chǎng)統(tǒng)計(jì)資料和預(yù)測(cè)資料都是很重要的內(nèi)容。市場(chǎng)調(diào)查資料就是其中重要的資料，可以最集中地反映商品生產(chǎn)的數(shù)量、結(jié)構(gòu)和商品的供求關(guān)系等。（2）市場(chǎng)調(diào)查與市場(chǎng)預(yù)測(cè)是管理決策和提高經(jīng)濟(jì)效益的必要條件。同時(shí)，市場(chǎng)調(diào)查與預(yù)測(cè)再提高經(jīng)濟(jì)效益方面起著重要作用，即根據(jù)市場(chǎng)調(diào)查與預(yù)測(cè)結(jié)果所進(jìn)行的商品營(yíng)銷活動(dòng)，大大減少了盲目性，增強(qiáng)了自覺性，必然給商品營(yíng)銷部門或企業(yè)帶來較高的經(jīng)濟(jì)效益，也促進(jìn)了商品流通，滿足了消費(fèi)者的需求。首先，根據(jù)城鄉(xiāng)居民的收入水平，可以調(diào)查與預(yù)測(cè)消費(fèi)品的需求總量，為生產(chǎn)城鄉(xiāng)居民消費(fèi)品的各生產(chǎn)行業(yè)提供信息、減少盲目性，提高自覺性。（4）市場(chǎng)調(diào)查與市場(chǎng)預(yù)測(cè)對(duì)促進(jìn)和滿足消費(fèi)者需求的顯著作用。五、計(jì)算題 已知回歸方程yc=10+，且n=40，∑y=460，∑xy=7800，∑y2=8652，試計(jì)算估計(jì)標(biāo)準(zhǔn)誤差為多少？估計(jì)標(biāo)準(zhǔn)誤差的計(jì)算公式為：將yc=a+bx代入上式，可得： Sy=2某企業(yè)人為，某產(chǎn)品的銷售額（y）與推銷員數(shù)量x1及該產(chǎn)品所支付的廣告費(fèi)x2有關(guān)，該企業(yè)1997~2001年的有關(guān)統(tǒng)計(jì)數(shù)字如下表：年份19971998199920002001銷售額（萬元）158170172180188推銷員人數(shù)（人）910101011廣告費(fèi)（萬元）擬合銷售額對(duì)推銷人員及廣告費(fèi)的線性回歸方程并解釋回歸系數(shù)的實(shí)際含義。某商店各個(gè)時(shí)期的商品流通費(fèi)水平和商品零售額資料如下表：商品零售額（萬元）流通費(fèi)水平y(tǒng)（%）用水平雙曲線回歸模型預(yù)測(cè)，如果下棋零售額估計(jì)為28萬元，流通費(fèi)用水平是多少？設(shè)雙曲線回歸模型為令=,則得由最小二乘法得方程組由題中數(shù)據(jù)算得代入方程組，得解得所以回歸方程為因所以當(dāng)商品零售額為x=28萬元時(shí)，可估計(jì)流通費(fèi)水平為請(qǐng)您刪除一下內(nèi)容，O(∩_∩)O謝謝?。?！【China39。s animation outpouring that are not to be missed. Let39。ShanghaiFilm violence, and lack of suitability for children39。teacher in Turkish, is the respectful name for people who own wisdom and knowledge. The hero39。t want to steal food like other mice. Shuke became a pilot and Beita became a tank driver, and the pair met accidentally and became good friends. Then they befriended a boy named Pipilu. With the help of PiPilu, they cofounded an airline named Shuke Beita Airlines to help other animals. Although there are only 13 episodes in this series, the content is very pact and attractive. The animation shows the preciousness of friendship and how people should be brave when facing difficulties. Even adults recalling this animation today can still feel touched by some scenes. Secrets of the Heavenly Book Secrets of the Heavenly Book, (Chinese: 天書奇談)s contents on the stone wall of a white cloud cave in the mountains. He was then punished with guarding the book for life by the jade emperor for breaking heaven39。painting, including pavilions, ancient architecture, rippling streams and crowded markets, which fully demonstrate the unique beauty of China39。movies. Nezha Conquers the Dragon King（Chinese: 哪吒鬧海）s feud with Nezha over his son39。Journey to the West. The main character is Sun Wukong, aka the Monkey King, who rebels against the Jade Emperor of heaven. The stylized animation and drums and percussion acpaniment used in this film are heavily influenced byOpera traditions. The name of the movie became a colloquialism in the Chinese language to describe someone making a mess. Regardless that it was an animated film, it still became one of the most influential films in all of Asia. Countless cartoon adaptations that followed have reused the same classic story Journey to the West, yet many consider this 1964 iteration to be the most original, fitting and memorable, The Golden Monkey Defeats a Demon【金猴降妖】 The Golden Monkey Defeats a Demon (Chinese: 金猴降妖), also referred as The Monkey King Conquers the Demon, is adapted from chapters of the Chinese classics Journey to the West, or Monkey in the Western world. The fiveepisode animation series tells the story of Monkey King Sun Wukong, who followed Monk Xuan Zang39。s Film Festival Award in 1989. McDull【麥兜】 McDull is a cartoon pig character that was created inby Alice Mak and Brian Tse. Although McDull made his first appearances as a supporting character in the McMug ics, McDull has since bee a central character in his own right, attracting a huge following in Hong Kong. The first McDull movie McMug Story My Life as McDull documented his life and the relationship between him and his McMug Story My Life as McDull is also being translated into French and shown in France. In this version, Mak Bing is the mother of McDull, not his father..