百度试题 题目Which of the following is an appropriate null hypothesis?相关知识点: 试题来源: 解析反馈 收藏
A. Setting the significance level B. Collecting data randomly C. Analyzing the variance D. Calculating the mean difference 相关知识点: 试题来源: 解析 A。在假设检验中,设置显著性水平是一个重要步骤。B 选项随机收集数据是在进行假设检验之前的准备工作,但不是假设检验的步骤之一。C 选项分析方差和 D ...
A. It functions as a guide in the process of a scientific research. B. It works as a means that can help make unprejudiced observations. C. It is an expectation unrelated to guesswork and inspiration. D. It is a prediction which will be arrived at sooner or later. ...
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The "hypothesis" in scientific research is very important. Which of the following words is the opposite of "hypothesis"? A. theory B. fact C. experiment D. conclusion 相关知识点: 试题来源: 解析 B。解析:hypothesis意思是假设。选项A中theory是理论的意思,和假设不是反义关系;选项B中fact是事实,...
Which of the following statement is a null hypothesis?? A five-percent increase in price will adversely affect the sale of this product.;Power structures have a great effect on the media product.There are no gender differences in the choice of tourist destinations.Milk drinking is positively rel...
结果1 题目Which of the following hypothesis is put forward by Eric Lenneberg? A. Critical Period Hypothesis B. Input Hypothesis C. Sapir-Whorf Hypothesis D. Language Acquisition Device Hypothesis 相关知识点: 试题来源: 解析 A 反馈 收藏
Scientists often use experiments to test their hypotheses. Which of the following is NOT a step in conducting an experiment? A. Formulating a hypothesis B. Collecting data C. Drawing conclusions D. Making assumptions 相关知识点: 试题来源: ...
Which of the following is a null hypothesis? Abundance of woodpeckers increases in the summer. Addition of nitrogen to a stream will increase algal growth. Algal growth in a stream where nitrogen has been added is not significantly different from a c...
百度试题 题目Which of the following statement is a null hypothesis?相关知识点: 试题来源: 解析 There are no gender differences in the choices of tourist destinations.反馈 收藏