chisquare

  1. C

    Goodness of fit test for exponential distribution

    The given data below shows the time in intervals in seconds between successive white cars in flowing traffic in an open road.Can these be modeled by an exponential distribution. I am computing the expected frequencies by calculating the probability at each interval.Under null hypothesis as...
  2. C

    3 columns of categorical data - what test to use for significance?

    Hi I did surveys on pre-teens, teens, 20s (3 "columns") and need to find signfifiance (p-value). What test do I use? I keep trying Chi square on graphpad prism 5, but I keep getting the message Analysis of Contingency Table: Overview Chi-square calculations are only valid when all expected...