回归平方和(residual of square)

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• 线性回归分析中的回归平方和是指（）

  A . 实际值与平均值的离差平方和 B . 估计值与平均值的离差平方和 C . 受自变量变动影响所引起的变差 D . 受随机变量变动影响所产生的误差 E . 总变差与残差平方和之差

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• To receive oil residues from the purification of fuel and lubricating oils in the machinery spaces, what kind of tank(s) should be provided on board?（）

  A、bilge tank B、sludge tank . C、overflow tank D、oil collecting tank

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• 剩余平方和(residual of square)

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• 偏回归平方和(Sum of squares of partial regression)

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• 总变动平方和（SST）、回归平方和（SSR）、回归残差平方和（SSE）三者之间的关系可表示为SST=（）。

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• 总变差平方和SST、回归平方和SSR、回归残差平方和SSE之间的关系是（）。

  A . A、SST=SSR+SSE B . B、SST=SSR-SSE C . C、SSR=SST+SSE D . D、SSE=SST+SSR

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• Which of the following operations need NOT to be entered on the Oil Record Book Part I?（） (1) Disposal of oil residues (2) Internal transfer of fuel oil

  A . （1）only B . （2）only C . both（1）and（2） D . neither（1）nor（2）

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• The total quantity of oil discharge into the sea（）for existing tankers 1/15000 of the total quantity of the particular cargo or which the residue formed a part（）.

  A . does not exceed B . should exceed C . should be up to D . should be no more tha

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• 回归变差（或回归平方和）是指（）。

  A . 被解释变量的实际值与平均值的离差平方和 B . 被解释变量的回归值与平均值的离差平方和 C . 被解释变量的总变差与剩余变差之差 D . 解释变量变动所引起的被解释变量的变差 E . 随机因素影响所引起的被解释变量的变差

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• Pit No. 1 of the Terracotta Army has an area of more than 18,000 square meters and is the largest pit.

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• Pit No. 1 is the largest, with an area of more than 14000 square meters.

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• Pit No. 2 was discovered much later, covering an area of about 5,000 square meters.

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• 在二元回归中，若自变量X1和X2彼此独立(r12 = 0)，则二元回归平方和为两个偏回归平方和之和，即：UY/12 = U1 + U2。

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• In square dancing, there are four people on each side of the square.

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• 回归平方和(SSR)值越大,回归方程的贡献和功效越小。

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• 线性回归分析中的回归平方和是指（ ）。

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• df SS MS Regression 1 b 50 Residual a 2 c Total 5 52 上面回归分析的ANOVA表中的b值为何?

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• df SS MS Regression 1 b 50 Residual a 2 c Total 5 52 上面回归分析的ANOVA表中的c值为何?

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• Corrosion and grooving on the blade of an exhaust driven turbocharger is caused by certain components of residual fuel oilsThese components are vanadium, sodium, and＿.

  A.copper B.carbon C.hydrogen D.sulfur

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• 在一元线性回归中，回归平方和是（）。

  <img src='https://img2.soutiyun.com/ask/uploadfile/2742001-2745000/bf2901803c0df687665caa211f4ba39b.jpg' /> <img src='https://img2.soutiyun.com/ask/uploadfile/2742001-2745000/55adafdd169ac62cb468008cd269ef46.jpg' /> <img src='https://img2.soutiyun.com/ask/uploadfile/2742001-2745000/a92fcb99d85ebead35b5d5ae3cdce449.jpg' /> <img src='https://img2.soutiyun.com/ask/uploadfile/2742001-2745000/872cc81f8e258c4064dcdb663fcd47fa.jpg' />

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• 5、在线性回归模型中，总偏差平方和、回归平方和、残差平方和的关系等式____________。

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• The total area of land on earth is about 149 million square kilometers, or about 29 percent of the total area of the earth.

  The average height of the land is about 750 metres above the sea level. The Eurasian(欧亚大陆的) land mass is the largest with an area of 54,527,600 square kilometers. The smallest continent is the Australian mainland, with an area of about 7,614,600 square kilometers, which together with Tasmania, New Zealand, New Guinea and the Pacific Islands, is described as Oceania.The total area of Oceania is about 8,935,500 square kilometres, including West Iran which is political in Asia. The world's largest peninsula(半岛) is Arabia, with an area of about 3,327,500 square kilometres. The largest island in the world is Greenland, with an area of about 2,175,600 square kilometres. The largest island surrounded by fresh water is the Ilha de Marajo (4,022 square kilometres) in the mouth of the Amazon River, Brazil. The largest island in a lake is Manitoulin Island (2,766 square kilometres) in the Canadian section of Lake Huron. This island itself has on it a lake of 106 square kilometres called Manitou Lake, in which there are several islands. 1)、The total area of the world is about 211 million square kilometers. A.T B.F 2)、The area of Tasmania, New Zealand, New Guinea and the Pacific Islands adds up to about 1,320,900 square kilometres. A.T B.F 3)、Oceania is made up of Australia, New Guinea and the Pacific Islands. A.T B.F 4)、As mentioned in the passage there are several islands in Manitou Lake. A.T B.F 5)、The largest island surrounded by fresh water is in a river. A.T B.F

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• 当输气管的Re＞Re2时，为阻力平方区When Re＞Re2 of the gas pipe, is the resistance square area； 当输气管的Re1＜re＜re2时，为混合摩擦区when of the gas pipe, it is mixed friction zone； hydraulic smooth＞

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• 在估计线性回归模型时,可以将总平方和分解为回归平方和与残差平方各,其中回归平方和表示（）

  A．被解释变量的变化中可以用回归模型来解释的部分 B．被解释变量的变化中未被回归模型来解释的部分 C．解释变量的变化中可以用回归模型来解释的部分 D．解释变量的变化中未被回归模型来解释的部分

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