Statistics- A psychologist is interested in knowing weather adults
QUESTION
A psychologist is interested in knowing weather adults who were bullied as children 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. Test at the 0.05 level of significance. suppose that the level of your calculated (obtained) test statistic is 6.74. what is your decision?A. reject the null hypothesisB. fail to reject the null hypothesisC. reject the alternative hypothesis-and what is the best conclusion for this example?A. being bullied does not significantly increase the amount of empathy expressed by individuals who were bullied when compared to the general population.B. being bullied does not significantly decrease the amount of empathy expressed by individuals who were bullied when compared to the general population.C. there is no statistical difference in the amount of empathy expressed by individuals who were bullied when compared to the general population.D. there is a statistical difference in the amount of empathy expressed by individuals who were bullied when compared to the general population.- is this a type one statistical error or type two statistical error.-suppose I wanted to calculate the 99% confidence interval, what would the new critical value be for this calculation?(THANK YOU)!!!!!
ANSWER:
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