If an outlier is due to a measurement error, what should we do? A. Keep it in the data. B. Remove it and recalculate. C. Ignore the entire data set. D. Change the measurement method. 相关知识点: 试题来源: 解析 B。解析:如果异常值是由于测量误差导致的,应该将其移除并重新计算。
aValidity and reliability are two essential factors in measurement error. Validity asks the question, ‘Does the test measure what it claims to do?’, whereas reliability asks, ‘Was each test of a batch the same?’ Both are essential for maintaining the accuracy of stretching tests. 有效性...
aValidity refers to one or a set of measurement items which it can be accurately measuring a theoretical component. When we input data of valid questionnaires, sometimes because of the input data was wrong, and leads to systematic errors, so the data will be not validity. We just have ...
Ensuring the potential for an intended quality of a measurement result must be done before and during the measurement, not after it (when it is too late) 关键词: Capillary electrophoresis Capacitively coupled contactless conductivity detection Fluoroquinolone Liquid-liquid extraction Chicken tissue DOI:...
Measurement model In this study, a reflective measurement model was utilized, wherein the observed variables are considered manifestations of the latent constructs. This model is characterized by its emphasis on the interchangeability of items and the premise that changes in the latent variables are re...
ANOVA, within (periods)–between (disposal and retention) interaction with the parameters of 95% power, an expected effect size of 0.25 (defined as a medium effect by Cohen38), alpha level of 0.05, a within-participants measurement correlation of 0.5, and a nonsphericity correction ε of 1....
Chapter 1. Basic Concepts of Measurement Before you can use statistics to analyze a problem, you must convert information about the problem into data. That is, you must establish or adopt a system of assigning values, most often numbers, to the objects or concepts that are central to the ...
He did not discuss errors of measurement in the report since he did not ___ it to be relevant. A、Consider B、Make C、Prove D、Seem 你可能感兴趣的试题 多项选择题 地形图符号包括()。 A.地物符号 B.地貌符号 C.依比例符号 D.非比例...
amess measurement have been done with 1 mm resolution. Also it has been recognized that isolation from the motion error of the stage is a big issue for manometer profiling. 正在翻译,请等待... [translate] 英语翻译 日语翻译 韩语翻译 德语翻译 法语翻译 俄语翻译 阿拉伯语翻译 西班牙语翻译 葡萄牙...
awhen will get the money to us 当将有金钱我们[translate] aAre you kidding 是您哄骗[translate] aThe enclosed table is to be filled out as each measurement is taken. It is important that a complete set of these measurements is made every 6 months. The measuring instruments to be used are...