In their exit interviews last year, 30% of the seniors at the Ohio State University (OSU) said they planned to enter a graduate program immediately after graduation, 15% planned to spend the year after graduation traveling, 45% planned to start their professional careers, and 10% planned to volunteer for various service organizations. Suppose you do a survey of 100 current OSU seniors and find that 22 plan to pursue graduate studies, 25 plan to travel, 40 plan to start their careers, and 13 plan to volunteer for one of the service organizations. Use a proper hypothesis test to determine whether this sample result is enough to reject a null hypothesis that the plans of this year’s senior class match those of last year class. Use a significance level of .05.

  • CreatedJuly 16, 2015
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