Solution-Sample evidence indicates that the average time

Sample evidence indicates that the average time

Assignment Help Basic Statistics

Reference no: EM132157546

1. Test at α =.05 and 0.10 the hypothesis that a majority (more than 50%) of students favor the plus/minus grading system at a university if in a random sample of 500 students, 265 favor the system?

2. Test whether the sample evidence indicates that the average time an employee stays with a company in their current positions is less than 3 years when a random sample of 64 employees yielded a mean of 2.76 years and s = 0.8. Use a = 0.01. Assume normal distribution.

Reference no: EM132157546

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Sample evidence indicates that the average time

Reference no: EM132157546

Reference no: EM132157546

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