Falls are one source of preventable hospital injury. The data in the table represent the number of patient falls per month over a 28-month period in a 19-bed AIDS unit at a major metropolitan hospital. Complete parts (a) and (b). Full data set O 10 11 4 12 13 14 10 Month 1 2 3 4 6 7 Falls 3 4 3 4 4 6 1 6 26 27 28 7 Month 15 6 16 17 18 5 11 8 20 19 2 21 22 23 24 25 Falls 7 7 10 a. Construct a c chart for the number of patient falls per month. Do you think that the process is in a state of statistical control? Choose the correct chart below. OA. OB. Oc. 26 14 Time 14 Time 14 Time Do you think that the process is in a state of statistical control? OA Yes. There do not appear to be special causes of variation. OB. No. There is at least one point outside the control limits. OC. No. There is a discemable patten. OD. No. There are eight consecutive points all above or below the center line. b. What effect would it have on your conclusions if you knew that the AIDS unit was started only one month prior to the beginning of data collection? O A. The given information should have no effect on the conclusions. The conclusions should be based on the data. OB. The data have a special cause of variation near the beginning of the data collection period. This may be associated with the fact that the unit had just been started. OC. There are no special causes of variation, so the information does not affect the conclusions.
Falls are one source of preventable hospital injury. The data in the table represent the number of patient falls per month over a 28-month period in a 19-bed AIDS unit at a major metropolitan hospital. Complete parts (a) and (b). Full data set O 10 11 4 12 13 14 10 Month 1 2 3 4 6 7 Falls 3 4 3 4 4 6 1 6 26 27 28 7 Month 15 6 16 17 18 5 11 8 20 19 2 21 22 23 24 25 Falls 7 7 10 a. Construct a c chart for the number of patient falls per month. Do you think that the process is in a state of statistical control? Choose the correct chart below. OA. OB. Oc. 26 14 Time 14 Time 14 Time Do you think that the process is in a state of statistical control? OA Yes. There do not appear to be special causes of variation. OB. No. There is at least one point outside the control limits. OC. No. There is a discemable patten. OD. No. There are eight consecutive points all above or below the center line. b. What effect would it have on your conclusions if you knew that the AIDS unit was started only one month prior to the beginning of data collection? O A. The given information should have no effect on the conclusions. The conclusions should be based on the data. OB. The data have a special cause of variation near the beginning of the data collection period. This may be associated with the fact that the unit had just been started. OC. There are no special causes of variation, so the information does not affect the conclusions.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 6SGR
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