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A sample of 15 teachers from Rhode Island has an average salary of $35,270, with a standard deviation of $3256. A sample of 30 teachers
- A sample of 15 teachers from Rhode Island has an average salary of $35,270, with a standard deviation of $3256. A sample of 30 teachers from New York has an average salary of $29,512, with a standard deviation of $1432. Is there a significant difference in teachers’ salaries between the two states? Use α= 0.02.
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Elementary Algebra Concepts & Applications
Authors: Marvin L Bittinger, David J Ellenbogen, Barbara L Johnson
9th Edition
0321877926, 9780321877925
