How to Calculate P-hat In statistics, the letter "p" denotes the probability of a certain event occurring or a certain parameter being true for a certain population, but when a population is large, it may be impractical or impossible to measure it directly. As an alternative, statisticians t...
The problem with Net Promoter is that the statistics that you normally use for survey scores don’t work so well for NPS. However, there is an approach that you can use to determine if the change is significant. This post “How can I calculate margin of error in a NPS result?” provid...
The way I came with to remove the rain was to calculate the median of data within the same time stamp (sort of inspired by what it is done in quantum calculations), and then we would have graphics without rain, but then I realized that this entailed that all statisti...
Mathematicians and researchers often have large sets of data collected on a certain problem, such as the household income of American families. To summarize the data, they often use the mean, median and mode. Mean The mean is the average of all numbers in a data set. For example, in the...
Learn how to calculate expected counts for the chi-square test for goodness of fit, and see examples that walk through sample problems step-by-step for you to improve your statistics knowledge and skills.
0 Calculate relative errors in Postgres 0 SAS - Creating an error report based on lag data Load 7 more related questions Show fewer related questions Sorted by: Reset to default Know someone who can answer? Share a link to this question via email, Twitter, or Facebook. Your An...
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Find dozens of videos on basic stats principles plus how to calculate stats using Microsoft Excel. How To Test a Chi Square Hypothesis (Test for Independence) Watch the video for how to test a hypothesis with chi-square using the p-value method: Can’t see the video? Click here to watch...
Learn how to calculate the standard deviation of a binomial distribution, and see examples that walk through sample problems step-by-step for you to improve your math knowledge and skills.
How to calculate this probability? sum of chi-square and normal distribution Ask Question Asked 9 years, 2 months ago Modified 2 months ago Viewed 988 times This question shows research effort; it is useful and clear 1 Save this question. Show activity on this post...