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An educator claims that the average salary of part timer teachers in a college is less than 60 OMR per day. A random sample of
An educator claims that the average salary of part timer teachers in a college is less than 60 OMR per day. A random sample of 8 teachers is selected and has mean 58.880 OMR with standard deviation is 5.080 OMR. Test the educator's claim at a=0.10
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