【判断题】The test values for the chi-square goodness-of-fit test and theindependence test are computed by using the same formula. True or false?
【判断题】The null hypothesis for a chi-square goodness-of-fit test always states that the stated distribution is followed.
【单选题】为了避免账、物不符,对库存货品进行的作业被称为()
【判断题】The chi-square test is used to determine if observed outcomes are consistent with expected outcomes.
【判断题】The chi-square test of independence is always two-tailed. True or false?
【简答题】某医生用 A、B两种药物治疗急性下呼吸道感染,结果见表1。下面使用SPSS分析两种药的有效率是否有差别。 表 1 处 理 有效例数 无效例数 有效率(%) A 药 68 6 91.89 B 药 52 11 82.54 表 2 Chi-Square Tests Value df Asymp. Sig. (2-sided) Exact Sig. (2-sided) Exact Sig. (1-side...
【判断题】The popularity of the chi-square test is mainly due to the fact that it can be used to analyze quantitative data. True or false?
【判断题】When the chi-square test statistic is greater than the chi-square critical value when comparing two or more population proportions, we fail to reject the null hypothesis.
【判断题】The chi-square goodness-of-fit test is used to determine if two categorical variables are independent of one another.
【单选题】为了避免账、物不符,对库存货品进行的作业被称为:( )