I am trying to see if there is a statistical significant difference between the amount of bycatch in 5 different types of gear used by fishermen. For each gear I have varying number of replicates as there are higher number of fishermen using certains types of gears compared to others. I have converted my raw data into 'percentage of time occurred' in order to compare them. What stats test should i use? I have access to minitab, but I am a novice with it.
If you have at least 6 fishermen using each type of gear, you could begin with ANOVA. Since you're working with percentage data (which violates the assumptions of ANOVA), you'll want to logit- or arcsine-transform the data first.
If the ANOVA turns up significant results, you'll want to run a post-hoc test.
This is important: in the ANOVA, you'll want the identity of the individual fisherman to be a random factor.