Summary data on ratings of patient satisfaction and importance for the survey item “waiting time prior to being seen by a physician” is shown in Table 5-16 for a total of 400 patients. Perceived satisfaction was rated on a Likert scale from 1 to 5, while importance was also rated on a Likert scale from 1 to 5 using the nomenclature discussed in the chapter. Determine if the categorical variables “satisfaction rating” and “importance rating” are independent using a level of significance of 5%.

Table 5-16

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TABLE 5-16 Patient Satisfaction and Importance Ratings Importance Rating Satisfaction Rating 1 2 3 4 8 10 20 10 10 40 13 12 21 10 6 12 15 85 22 7 30 21 678 O5 -23 45