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A psychologist is interested in knowing whether adults who were bullied as children differ from the general population

INSTRUCTIONS TO CANDIDATES
ANSWER ALL QUESTIONS

1-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 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.

The appropriate statistical procedure for this example would be a

A- z-test

B-t-test

2-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 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.

Is this a one-tailed or a two-tailed test?

A-one-tailed

B-two-tailed

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