• Thank you, thats a great help 3 days, 3 hours ago

  • I was hoping someone might be able to help. What statistical analysis should I do to show if an observed reduction is significant of not?

    For example if there were 315 presentations over a given time period, then after X event over a similar time period there were 260 presentations. How would I go about working out if this 17.5% decrease was…[Read more]