BUS 352 week 8 homework Answers Grand Canyon
10.55Consider an experiment with four groups, with eight values in each. For the ANOVA summary table below, fill in all the missing results:
Source Degrees of Freedom Sum of Squares Mean Square (Variance) F
Among Groups c-1=? SSA=? MSA=80 FSTAT=?
Within Groups n-c=? SSW=560 MSW=?
Total n-1=? SST=?
10.59A hospital conducted a study of the waiting time in its emergency room. The hospital has a main campus and three
Satellite locations. Management had a business objective of reducing waiting time for emergency room cases that did not require immediate attention. To study this, a random sample of 15 emergency room cases that did not require immediate attention at each location were selected on a particular day, and the waiting times (measured from check-in to when the patient was called into the clinic area) were collected and stored inERWaiting.
A.At the 0.05 level of significance, is there evidence of a difference in the mean waiting times in the four locations?
B.If appropriate, determine which locations differ in mean waiting time.
C.At the 0.05 level of significance, is there evidence of a difference in the variation in waiting time among the four locations?
11.21When performing ax2 test of independence in a contingency table withrrows andccolumns, determine the upper-tail critical value of the test statistic in each of the following circumstances:
A.a= 0.05,r =4 rows,c= 5 columns
B.a= 0.01,r =4 rows,c= 5 columns
C.a= 0.01,r =4 rows,c= 6 columns
D.a= 0.01,r =3 rows,c= 6 columns
E.a= 0.01,r =6 rows,c= 3 columns
11.22The owner of a restaurant serving Continental-style entrées has the business objective of learning more about the patterns of patron demand during the Friday-to-Sunday weekend time period. Data were collected from 630 customers on the type of entrée ordered and the type of dessert ordered and...