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8. Reading comprehension scores for sixth graders on a nationally standardized test follow (approximately) a Normal distribution, with mean 500 and standard deviation 0' = 100. You suspect that sixth graders in a lowincome district have a mean u that is less than 500, since they often come from homes where education is not valued as much and / or there isn't as much support. To verify your suspicion, you test the hypothesis H0: 11 = 500, Ha: ,u 0 .0.5 ii. No, these results are not statistically significant because P-value > 0 .05 iii. Yes, these results are statistically significant because P-value