A teacher is interested in knowing whether adults who were bullied as kids differ from the general population in terms of their empathy for others. On a questionnaire designed to measure empathy, the mean score for the general population is 30.6, random sampling of 25 scores obtained from individuals who were bullied yielded a mean of 39.5 and a standard deviation of 6.6. What would the most appropriate null hypothesis would be which one??
1 there is a statically difference in the amt. of empathy expressed when comparing individuals who were bullied to the general population.
2 there is no statically difference in the amount of empathy expressed when comparing individuals who were bullied to the general population.
3 being bullied does significantly increase when compared to the population of individuals in the general population who have not been bullied.
4 being bullied does not significantly increase empathy when compared to the population of individuals in the general population who have not been bullied.