社区卫生保健 继续教育 试题 答案 统计5（Community health care continues education test answer statistics 5）.doc

社区卫生保健 继续教育 试题 答案 统计5（Community health care continues education test answer statistics 5） My space home page | space dressing blog | writing new article album | upload photo friend | find new friends file | message board my application loading.. My I posted I dynamic portal my thought of dynamic wind 7 0 | my message (0/1) | | my space my application | I post bar | | | baidu baidu space front page to exit the wife I love you my wife spring is buried in the ground, in the autumn I can reap a lot of wife HOHO though mouth mouth to kiss Home page blog album | profile | friends see article Community health care continues education test answer statistics 52009-08-11 13:18 67. The most practical way to reduce the sampling error is (a). A. increase observation number appropriately B. control individual variation C. Strictly select the observed objects D. Examine each individual in the population 68. A, B, C, D 68. The subject of epidemiological study was (c). A. disease B. the patient C. people D. a healthy person 69. A, B, C, D b 69. The photochemical smog incident in Los Angeles belongs to (). Chronic action Acute action C. forward action D. Teratogenation 70. A, B, C, D 70. The following is not mental disability (a). A. blind B. intellectual disability C. Personality disability D. mental illness 71. The larger the standard error of the mean, the mean value of the sample obtained in this sampling (c). A. The greater the error of the system B. The greater the reliability C. The larger the sampling error D. Comparability is worse 72. A, B, C, D 72. The teratogenic sensitization period is (c). A. the first month of pregnancy B. the first two months of pregnancy C. the first three months of pregnancy D. The first four months of pregnancy 73. A, B, C, D 73. The larger the sample content in the same population, the smaller the theoretical (c). A. sample standard deviation B. the median C. standard error D. mean 74. A, B, C, D 74. Comparing the variation of height and weight, t