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轉學考-統計學
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91年 - 91 淡江大學 轉學考 統計學#56327
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題組內容
一、獨立地投掷一公正的硬幣3次’觀測其出現正反面的情形。
(2)若令X表示3次中出現正.面的次數, 試求
(b) X之期望值E (X)及變異數V (X)。 (10分)
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#213995
(1)試求(最小平方)迴歸直線方程式。(8分)
#213996
.(2)試求σ2之不偏估計值。(4分)
#213997
【已刪除】 (3)試檢定.(取顯著水準a=0.05) (8分)
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(b)若樣本數n=16,試求μ=26.7時的檢定力(power)。 (5分)
#214000
【已刪除】1 • Draw the shear force and bending moment diagrams for the beam shown in Fig. 1 20%
#214001
【已刪除】2. A cantilever beam AB with a uniform load of intensity q acting on the right-hand half of the beam is shown in Fig. 2. Use the moment-area method to find the angle of rotation θB and deflection δB at the free end B. (flexural rigidity =2EI on section AC, and flexural rigidity =EI on section CB ) 20%
#214002
(a) Determine the components of the forces acting on each member of the frame shown in Fig. 3 10%
#214003
(b) Determine the internal forces in member ABE at point J. 10%
#214004
【已刪除】4. A beam of T-section is supported and loaded as shown in Fig. 4. The cross section has width b = 2.5 in, height h =3 in., and thickness t = 0.5 in. Determine the maximum tensile and compressive stresses in the beam. 20%
#214005