chi sq

  1. B

    Is his the right stats to use?

    For my dissertation I need to analyse my data, my supervisor recommended chi squared but I’m not sure if i can use it with my data. I’m looking at occurrences of cetaceans between 2014 and 2017 so the data I have collected is for 4 years and I’m looking at occurrences and time effort put in so...
  2. B

    Which stats test should I use?

    I have an experiment to look at habitat preferences of beetles and the effect of competition. In the first test, a beetle is on his own in an arena and I measured the % of time he spends in each of THREE types of habitat (open, bush and underground). I repeat this experiment with several...
  3. A

    Chi-square post-hoc test - Helpless

    I have been looking around on the net looking for the best way to do a post-hoc analysis for multi factor significant chi-square test, with no success. I have a data-set of patients with different disease subtypes (Lung cancer subtype A-H). So my two main variables are - Ethnicity (12 levels) -...
  4. R

    Chi - Square Test for test of independence of variables in different treatment groups

    Hello together, I have a question concerning my bachelor thesis. It is the first time I am actually doing statistical analysis on my own and so recommendations are very welcome. I work with a huge dataset of N=30000 with 10 randomized treatments group (variable „Treatment“ going from 0 to 9) and...
  5. N

    Question about chi-square test and single columns

    Hi guys and apologies if this is already answered somewhere, I couldnt find it. As far as I understand, Chi-Square test is a way to go here. I have a table with 3 groups and 4 categories for each group (values presented are not true values, just for an example): G1 G2 G3 TOTAL C1 10...
  6. P

    Difference between expected spending and observed spending. What kind of statistical

    I would like some advice from you about what kind of statistical analysis I could do about that data. My case is as follows: According to a research I have the information that the financial health of the company for a specific type of activity should put the following percentages on...
  7. D

    Significance test for 13 dichotomous DVs?

    I am studying unprofessional conduct. I have every case of misconduct over a 5-year period. I am curious if misconduct varies by education level. As you can see, misconduct is broken into 13 mutually exclusive categories, with a binary coding scheme. Theoretically, all 13 charges could exist...
  8. L

    If anyone can help please!! In DESPERATE need of clarification!

    Hi Everyone This is my first time on the site. Basically I am conducting some research for a dissertation I have to do as part of my course. I will be investigating whether a variety of drinks thickened using powder thickeners changes over the period of one hour. I have already conducted...
  9. B

    Chi Square

    2. A recent survey of 1,223 children, ranging in age between 8 and 12 years old, reported the following results. Suppose that the survey was based on 600 boys and 623 girls. What Tweens did : Boys/ Girls Played video game: 498/243 Read a book for fun 276/324...
  10. A

    Picking the correct test, need help urgently!

    Hello, I feel like the answer for this is probably really obvious but I am being missing it altogether. This is my data: Habitat Associating Not Associating Total Observations Flood 51 0 51 Levee 524 72 596 Liana 162...
  11. J

    Overcoming small dataset anomalies in genetic algorithm

    Hello Talk Stats, this is my first post on this forum, interestingly typing in modeling forum in google took me to a series of websites that was not my desired search result. So I am currently making my 6th version of a model designed to predict the likelihood of of a particular medical...
  12. C

    can you do a chi sq w/ 2 different n sizes?

    can you do a chi sq w/ 2 different n sizes? I have an experiment with 2 groups (pre medicine and post medicine). Group 1: 400 subjects Group 2: 332. When Put the data in (via 1 and 0s) into my SPSS I keep getting really weird answers. How can I accommodate for the 68 subject difference...