Question

1. The following two grouped frequency distributions represent the times, over a one-week period, that patients had to wait before seeing a doctor in the Accident and Emergency department of two hospitals.






Frequency of Patients



Hospital B waiting Times (Minutes)

Frequency of Patients
6-10 2 6-10 4 11-15 10 11-15 17 16-20 25 16-20 35 21-25 37 21-25 27 26-30 26 26-30 20 31-35 20 31-35 17 36-40 18 36-40 9 41-45 12 41-45 6 46-50 10 46-50 5 Total 160 Total 140
a) Determine the mean and standard deviation of waiting times for each hospital; b) Determine the coefficient of variation for each hospital’s waiting times; c) Determine the coefficient of skewness for each hospital’s waiting times; d) With reference to parts (a), (b) and (c) discuss the differences in waiting times between the two hospitals.

9584b900f61506829dcd933d2c00e505.docx

Answer 1

please write question again