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Mean score for the general population

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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.

Reference no: EM131158724

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