Timothy A Ebert

5 Questions 871 Answers 0 Followers

Questions related from Timothy A Ebert

What are some ways of describing dispersion (not standard deviation, skew, kurtosis)?

I have the capacity to take samples on "n" days per year. I could take all the samples in the first "n" days, or I could spread them out in different ways over the interval. I am trying to think...

17 October 2022 2,622 5 View

What is the value of F or chi-square in publication?

In reporting the results of a statistical test authors give degrees of freedom, an F statistic and a p-value. 1) As a reader, what am I to learn from the F statistic? 2) If I want to use a...

12 September 2019 9,539 4 View

What is the interpretation of different measures of kurtosis?

I have been working in R and Excel. I have the following data: 23, 24, 36, 44, 2431, 543, 43, 25, 64. In R the kurtosis is 6.51838 and in Excel the kurtosis is 7.84453 (both programs give more...

17 August 2018 5,087 2 View

If you reject the null hypothesis at alpha<0.05 would you be willing to accept it at alpha>0.95?

So you have run a two tailed t-test. You are hoping that the absolute value of the t-statistic has a probability of being observed less than 1 in 20 (0.05) if the null hypothesis is true. In this...

08 December 2015 5,701 16 View

Is it valid to do statistical analysis using data from monotonically increasing sequence?

I examine feeding behavior of an insect for several hours. One behavior is phloem ingestion. It has been postulated that the first instance of phloem ingestion is on average shorter than the...

12 November 2014 8,326 5 View