# Linked Questions

1answer
8k views

### Explaining p-value to a sophisticated layman [duplicate]

I think I understand the concept of p-value but unfortunately I still have to exert a lot of brain cycles to get my arms around it. I would like to get an explanation of the p-value that is rigorous ...
2answers
40k views

### Interpretation of the p-value of the y-intercept coefficient in a linear regression [duplicate]

I am trying to interpret one of the p-values in a one variable linear regression. Some of the answers I've seen for similar questions were not worded as thoroughly as I would have liked. My ...
1answer
13k views

### White noise test interpretation [duplicate]

How to interpret white noise test from Stata? Have a white noise means that a variable does not have autocorrelation. Can I say here that all of my variables has a white noise (does not have ...
3answers
13k views

### what does it mean for a variable to be statistically significant? [duplicate]

what does it mean for a variable to be statistically significant?? Could anyone give a complete answer to this question?
1answer
9k views

### What does the p value mean for Cox hazard ratio? [duplicate]

I am puzzled about the interpretation of P value in the Cox hazard ratio analysis. I read from literature that the P value is to "reject the null hypothesis that HR=1". However, in many cases, we have ...
2answers
8k views

### Why is smaller the p-value, larger is the significance? [duplicate]

I am trying to understand the concept of p-value. Wikipedia mentions: The p-value is defined as the probability, under the assumption of hypothesis $H$, of obtaining a result equal to or more ...
2answers
3k views

### How to read the alternative Hypothesis [duplicate]

I have created a T test in R and got the below output. ...
0answers
7k views

### Is there an accepted definition for “P for trend” or “P-trend” [duplicate]

So is "P for trend" the same in principle as a common-or-garden P-value, but in a specific application i.e. odds ratios? And can P-value, P for trend, and P-trend be regarded as interchangeable ...
1answer
2k views

### What does “more extreme” mean when talking about p-values? [duplicate]

As far as I understand it, the p-value is the probability of obtaining the observed data or more "extreme" values under the null hypotesis, concluding that if this probability is small enough the null ...
1answer
3k views

### Breusch-Pagan Test using R [duplicate]

I'm currently working on the Breusch-Pagan Test using RStudio through the command ncvTest. I've used the dataset pipeline.txt in ...
1answer
2k views

### Intuitive explanation of why p is not the probability of the null hypothesis [duplicate]

I've got to teach a basic course on the $\chi^2$ test soon, and I will of course insist on the fact that $p$ is not the probability of the null hypothesis to be true, and that the result of the test ...
1answer
3k views

### Reset test in r [duplicate]

I have two questions about this test in R: How do you read the result of p-value? I assume that the bigger it is the more successful it is. When I do a multiple dummy variable regression, I get a p-...
2answers
3k views

### T test and P value [duplicate]

Possible Duplicate: What is the meaning of p values and t values in statistical tests? I currently start epidemiology class, I am very confuse of p value and t test, what do they mean? how to use ...
1answer
2k views

### How to read R program P-Value for Logistic Regression [duplicate]

I'm not used to that kind of p-value form as I don't know how to interpret it... It's usually shown a p-value with stars (significant codes) on its sides Can anyone help? How to read if the variable ...
2answers
536 views

### P-Value Clarification [duplicate]

I'm new to P-Values and Hypothesis testing and I noticed that p-values are explained differently everywhere I go. In my lecture notes it has a method for hypothesis testing and the last part says that ...

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