Your cousin, Jack, took an IQ test and told you that his score is the 74th percentile. What does this mean? O Jack's score was 74% lower than the mean score O Jack got 74 on the exam which is really not a good score. 74% of scores were the same or better than Jack's IQ score Jack's score was .74 standard deviations greater than the mean score 74% of scores were the same or lower than Jack's IQ score