7. Two random samples of students were selected. One sample of seven was given a test on mathematical
achievement, while the other sample Of nine was given a test on verbal achievement. The table below gives
the scores and the summarized statistics are also provided. At the a = .05 level of significance, is there
evidence that mathematical and verbal average scores are different? (Use 1 decimal for your data
347 440 327 456 427 349 377
Mathematics
Verbal
285 378 243 371 340 271 294 322 385
1. Ho:
Hā:
2. CV:
3. TV:
4. Decision:
5. Conclusion: