解析 A A parameter is any descriptive measure of a population characteristic. The population variance describes a population while the sample standard deviation, sample mean, and sample mode are each descriptive measures of samples.反馈 收藏
A.median of a population. B.mean of a sample of observations. C.standard deviation of a sample of observations.相关知识点: 试题来源: 解析 A A is correct. Any descriptive measure of a population characteristic is referred to as a parameter.【释义】A是正确的。对总体特征的任何描述性度量都被...
mean of a sample of observations C. standard deviation of a sample of observations 相关知识点: 试题来源: 解析 A A is correct. Any descriptive measure of a population characteristic is referred to as a parameter.【释义】人口特征的任何描述性度量都被称为参数。反馈 收藏 ...
At first glance, a sample statistic and a population parameter might seem very similar because they are both providing a descriptive measure of a population. However, there is a difference between parameters and statistics. In fact, there are many differences.Parameter...
Confidence interval, in statistics, a range of values providing the estimate of an unknown parameter of a population. A confidence interval uses a percentage level, often 95 percent, to indicate the degree of uncertainty of its construction. This percent
When we make inferences to a population, we rely on a statistic in our sample to make a decision about a population parameter. At the heart of our decision is a concern with Type I error or falsely rejecting a null hypothesis. Before we reject a null hypothesis, we want to be fairly ...
The estimation of the population average family expenditure on food based on the sample average expenditure of 1,000 families is an example of A.inferential statistics. B.descriptive statistics. C.a parameter. D.a statistic. 点击查看答案
apopulation parameter 人口参数[translate] aWhen you kown the world as it is,you still love it,so your life will become beautiful.To my best .To my surprise 当您kown世界,当它是,您仍然爱,因此您的生活将变得美好。对我最佳。对于我的意外[translate] ...
Hypothesis testing, sometimes called significance testing, is an act in statistics whereby an analysttestsan assumption regarding a population parameter. The methodology employed by the analyst depends on the nature of the data used and the reason for the analysis. Hypothesis testing is used to asses...
What Is a One-Tailed Test? A basic concept in inferential statistics ishypothesis testing. Hypothesis testing is run to determine whether a claim is true or not, given a population parameter. A test that is conducted to show whether the mean of the sample is significantly greater than andsign...