Men versus women The National Assessment of Educational
Chapter , Problem R10.4(choose chapter or problem)
Men versus women The National Assessment of Educational Progress (NAEP) Young Adult Literacy Assessment Survey interviewed a random sample of 1917 people 21 to 25 years old. The sample contained 840 men and 1077 women.49 The mean and standard deviation of scores on the NAEPs test of quantitative skills were x1 ? 272.40 and s1 ? 59.2 for the men in the sample. For the women, the results were x2 ? 274.73 and s2 ? 57.5. Is the difference between the mean scores for men and women significant at the 1% level? Give appropriate statistical evidence to justify your answer. s Perform a significance test to compare two proportions.
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