test question

1. Which test should I apply?

Hi, I have a set of of things (SNPs) which explain a percentage of variance of a trait. I got a subset of those SNPs and they explain a higher percentatge than I would expect. My question is: how I test whether the variance explained by my SNPs is significantly different than expected by chance...
2. Help deciding which statistical test to use in SPSS?

Hi All, I am completing some research and wanted to double check that I am using the correct statistical test to analyse my data in SPSS. I was to look at whether Voting in the community (Categorical response Y/N answer) impacts on the participants feelings that their views are being heard...
3. Test Statistic and P-value Calculation???

A 1995 survey indicated that 7% of the adolescents in this age group had tried marijuana. Assuming 7% was the true value in 1995, you want to perform a test to determine whether the proportion of kids in this age group that have tried marijuana has changed since 1995. Let α = 0.1. What is the...
4. Generate variable that shows the question with the highest correct answers

hi friends, I asked 25 questions in a test. q1 1=correct 0=incorrect q2 1=correct 0=incorrect So on, I would like to know which of the 25 question has the most correct responses. I could tab each variable and know the answer but is there a way to create a new variable with this info...