Question: 17. SAT s, again How do states stack up against each other in SAT scores? To compare California and Massachusetts scores, random samples of 100

17. SAT s, again How do states stack up against each other in SAT scores? To compare California and Massachusetts scores, random samples of 100 students from each state were selected and their SAT scores recorded with the following results

Sample Standard State Mean Size Deviation Massachusetts 1122 100 194 California 1048

a. Use the critical value approach to test for a significant difference in the average SAT scores for these two states at the 5% level of significance.

b. Use the p-value approach to test for a significant difference in the average SAT scores for these two states. If you were writing a research report, how would you report your results?

Sample Standard State Mean Size Deviation Massachusetts 1122 100 194 California 1048 100 165

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