Business, 09.04.2021 02:30 ciarapacheco

In a college advising center, students who receive help are asked to fill out a survey to show how satisfied they were with the service at the center. One of the questions on the survey asks if the students will use this center in future again. The advising center uses the answers to this question to indicate whether their service was useful and as a factor representing the center's ability to meet students' expectation. The number of students (out of 50 who would come back for advice during one semester 16 weeks) are as follows: Week 9 10 11 12 13 Number of students using 14 15 16 the center again 43 44 49 3448 43 45 38 49 44 46 39 41 43
a. Construct a control chart and determine the upper and lower control limits with (z = 3). (Round your answer to three decimal places.) Upper controllimit Lower controllimit
b. Use median run test to check the randomness in the data (median = 44). Interpret your results. (Round your answer to three decimal places.) Test observations exp Z Conclusion Median
c. Use up/down run test to check the randomness in the data (median = 44). Interpret your results. (Round your answer to three decimal places.)

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