All Questions
6 questions
2
votes
1
answer
3k
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How to compare if two multinomial distributions are significantly different
We can use T test to check if two proportions are significantly different.
Similarly is there a way to test if two multinomial distributions or "2 samples with more than 2 unique values" are ...
- 847
5
votes
1
answer
653
views
Chi square test
I am reading about chi-square test but came across Chi square test of independence, Chi square test for goodness of fit and Chi square test of variance. I am confused and unable to find out what is ...
- 275
2
votes
0
answers
30
views
Which statistical test for two group proportions over two time periods? 100% sampling, capped membership. Independent groups over time
I'm comparing the number of male and female hires at a city in the 1980's to the number of male and female hires in the 1990's. I'm looking for whether the percentage of females increased ...
user252085
0
votes
1
answer
75
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Measuring statistical significance for NYC restaurant inspection grades
I recently had a timed interview question on the following data set: https://data.cityofnewyork.us/Health/DOHMH-New-York_City-Restaurant-Inspection-Results/xx67-kt59/about The question was: is there a ...
- 33
5
votes
2
answers
11k
views
How to determine whether a variable is significant using Pr (>Chi) and Df?
I wonder how can I determine whether a variable is significant using Pr (>Chi) and Df? Take following ANOVA table as an example, I know variable type is significant,...
- 53
5
votes
2
answers
13k
views
Test if differences between frequencies is significant
I have the following frequency table:
...
- 1,335