Question
A psychologist is interested in knowing whether adults who were bullied as children differ from the general population in terms of their empathy for others.
A psychologist is interested in knowing whether 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 62.66. Random sampling of 122 scores obtained from individuals who were bullied yielded a mean of 56.68 and a standard deviation of 9.48. (Use these numbers only for this question!) What is the z-value or t-value you obtained (your test statistic)? (numeric value only, including negative sign if required)
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