chi square?

  1. L

    chi square or unpaired t-test? (or other??)

    Hi - I am looking to compare two groups - mobility activity after surgery. Group 1 - is a 'low ability' (ie, very old, frail) Group 2 - is 'high ability' (able to move around before surgery). The numbers in each group are NOT means, they are simply counts of patients. Ie, on the first day, 37...
  2. B

    Which test to use to compare results between groups

    Hello We have collected data related to performance (satisfactory/unsatisfactory) in a whole lot of assessment criteria, and are looking for the best way to analyse these data in addition to the obvious comparisons based on percentages. We have collected data from individuals, in terms of the...
  3. K

    What type of statistical test should I use?

    Hi all, I cannot seem to figure out what test, if any, I can use for a data set I have, which is linguistic in nature. I'll explain: I have grammatical mood tokens for two different generations, separated into 5 different tenses. In other words, the 1st generation has a total of 960 tokens as...
  4. H

    examine whether data sets come from the same ditribution

    hi, i want to check whether the two data sets can be drawn from the same distribution. can i do it with chi-square test? what are the assumptions i need for it? if i can't use chi square test - what can i do? notes about the data sets: - discrete - mostly increasing (in particular -...
  5. D

    Random Sample Assumption Violation and Chi-Square/Reg: Ordinal and Nominal Data

    Hello Everyone, I'm a grad student in biostatistics and am currently working at my first job with real world data. I'm analyzing survey data accessing employee's comfort with their work environment (DV) by several characteristics (IVs) (e.g., sex, race, religion). The DV, Comfort, is...
  6. A

    Test for correlation and differences in correlation - nominal and interval variables

    Hi, I've got two types of variables - nominal (mode choice (e.g. car, bike, etc...) and interval (income range (e.g. 10,000-15,000, 15,001-20,000, etc...). I am trying to figure out the best test to see if the variables are correlated, and then I want to test to see if the correlation is...
  7. R

    comparing the frequency use of vocabulary between two sign languages

    I am comparing the vocabulary of two sign languages in two locations to see if the vocabulary use in statistically different between locations. The data below is a sample of three words in the 250 word data set. The numbers in the synonym columns are the frequencies of use by Deaf subjects...