電大社會統(tǒng)計學試卷a及答案解析資料參考(1)(存儲版)
【正文】 active. 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 ) also referred to as Legend of the Sealed Book or Tales about the Heavenly Book, was released in 1983. The film was produced with rigorous dubbing and fluid bination of music and vivid animations. The story is based on the classic literature Ping Yao Zhuan, meaning The Suppression of the Demons by Feng Menglong. Yuangong, the deacon, opened the shrine and exposed the holy book to the human world. He carved the book39。s trip to the West to take the Buddhistic sutra. They met a white bone evil, and the evil transformed human appearances three times to seduce the monk. Twice Monkey King recognized it and brought it down. The monk was unable to recognize the monster and expelled Sun Wukong. Xuan Zang was then captured by the monster. Fortunately Bajie, another apprentice of Xuan Zang, escaped and persuaded the Monkey King to e rescue the monk. Finally, Sun kills the evil and saves Xuan Zang. The outstanding animation has received a variety of awards, including the 6th Hundred Flowers Festival Award and the Chicago International Children39。s education. Proponents of the show claim that it is merely for entertainment. Effendi Effendi, meaning sir and teacher in Turkish, is the respectful name for people who own wisdom and knowledge. The hero39。用 P 值進行檢驗比根據統(tǒng)計量檢驗提供更多的信息．統(tǒng)計量檢驗是我們事先給出的一個顯著性水平，以此為標準進行決策，無法知道實際的顯著性水平究竟是多少． 四、計算分析題： １０＋ 15=２５分 一種以休閑和娛樂為主題的雜志，聲稱其讀者群中有 80%為女性。 簡述回歸分析和相關分析之間的密切聯系。 （錯 ） N 個變量值連乘積的平方根，即為幾何平均數。 A 20% B 10% C 5% D． 1% 二、判斷題： 2*10=20 分 所有的統(tǒng)計指標都是變量。 在方差分析中，自變量是（ A ）。 A 簡單隨機抽樣 B 類型抽樣 C 等距抽樣 D 整群抽樣。 A 要求隨機樣本 B 適用于任何形式的總體分布 C 可用于小樣本 D 可用樣本標準差 S 代替總體標準差 ? 對于大樣本雙側檢驗，如果根據顯著性水平查正態(tài)分布表得 Zα /2＝ 1． 96，則當零假設被 否定時，犯第一類錯誤的概率是 ( C )。 （錯 ） 將 收集到得的數據分組，組數越多，喪失的信息越多。 什么是分層抽樣？ 分層抽樣也叫類型抽樣，就是 先將總體按某種特征或屬性分若干類別或層次，再按照一定比例在各個子類別 或層次中隨機抽取，最后將各抽取的單位合并成樣本。
試題試卷相關推薦
鄂ICP備17016276號-1