Question: The job placement service at a university observed the not
The job placement service at a university observed the not unexpected result of the variance in marks and work experience of the university’s graduates: Some graduates received numerous offers whereas others received far fewer. To learn more about the problem, a survey of 90 recent graduates was conducted wherein each was asked how many job offers they received. Estimate with 90% confidence the variance in the number of job offers made to the university’s graduates.
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