Question 1: Requires first and last name

Question 2: Requires no help

Question 3A 

Based on the following data:

Day Number of cases Number of c-sections Observed Rate Standard Deviation UCL Pre Intervention LCL Pre Intervention UCL Post Intervention LCL Post Intervention
1 37 3 0.08 0.04 0.18 0.00    
2 43 2 0.05 0.04 0.18 0.00    
3 31 3 0.10 0.04 0.20 0.00    
4 41 4 0.10 0.04 0.18 0.00    
5 34 3 0.09 0.04 0.19 0.00    
6 32 1 0.03 0.04 0.19 0.00    
7 41 3 0.07 0.04 0.18 0.00 0.18 0.00
8 21 2 0.10 0.05     0.22 0.00
9 20 1 0.05 0.05     0.23 0.00
10 26 4 0.15 0.05     0.21 0.00
11 22 1 0.05 0.05     0.22 0.00
12 23 1 0.04 0.05     0.22 0.00
13 32 0 0.00 0.04     0.19 0.00
14 24 1 0.04 0.05     0.21 0.00
15 34 1 0.03 0.04     0.19 0.00
16 23 1 0.04 0.05     0.22 0.00
Total 484 31            
               
p= 0.0640496            

Which is based on the following formulas:

Question 3B

Which is based on the following data:

Day Number of cases Number of c-sections Observed Rate of C Sections Difference of 2 Consecutive Values UCL Pre Intervention LCL Pre Intervention UCL Post Intervention LCL Post Intervention    
1 37 3 0.08   0.16 0.00     UCL  0.16
2 43 2 0.05 0.03 0.16 0.00     LCL 0
3 31 3 0.10 0.05 0.16 0.00        
4 41 4 0.10 0.00 0.16 0.00        
5 34 3 0.09 0.01 0.16 0.00        
6 32 1 0.03 0.06 0.16 0.00        
7 41 3 0.07 0.04 0.16 0.00 0.16 0    
8 21 2 0.10       0.16 0    
9 20 1 0.05       0.16 0    
10 26 4 0.15       0.16 0    
11 22 1 0.05       0.16 0    
12 23 1 0.04       0.16 0    
13 32 0 0.00       0.16 0    
14 24 1 0.04       0.16 0    
15 34 1 0.03       0.16 0    
16 23 1 0.04       0.16 0    
Average   0.07 0.03            
                   

Which is based on the following formulas:

Question 3C

The chart looks like:

This based on the following data:

Number of cases Number of c-sections Observed Rate of C Sections Rank Day of Observation Rate of C-sections UCL Pre Intervention LCL Pre Intervention UCL Post Intervention LCL Post Intervention    
37 3 0.08 1 6 0.03 0.15 0.01     Median 0.08
43 2 0.05 2 2 0.05 0.15 0.01     Upper 4th 0.10
31 3 0.10 3 1 0.07 0.15 0.01     Lower 4th 0.06
41 4 0.10 4 3 0.08 0.15 0.01     4th Spread 0.04
34 3 0.09 5 5 0.09 0.15 0.01     UCL 0.15
32 1 0.03 6 7 0.10 0.15 0.01     LCL 0.01
41 3 0.07 7 4 0.10 0.15 0.01 0.15 0.01    
21 2 0.10           0.15 0.01    
20 1 0.05           0.15 0.01    
26 4 0.15           0.15 0.01    
22 1 0.05           0.15 0.01    
23 1 0.04           0.15 0.01    
32 0 0.00           0.15 0.01    
24 1 0.04           0.15 0.01    
34 1 0.03           0.15 0.01    
23 1 0.04           0.15 0.01    
                     

Which is based on the following formulas:

Question 4A

This is based on the following data:

Day Ratings by a patient at 10 am Ratings by a patient at 10:30 am Rating by a Patient at 11 am Rating by a patient at 12 noon Observed Average Grand Average Standard Deviation of all Data Standard Deviation of Time Period UCL LCL
10/12/03 81% 75% 72% 88% 79% 80% 0.16 0.08 0.95 0.64
10/13/03 83% 98% 94% 82% 89% 80% 0.16 0.08 0.95 0.64
10/14/03 82% 70% 78% 92% 81% 80% 0.16 0.08 0.95 0.64
10/15/03 73% 88% 70% 98% 82% 80% 0.16 0.08 0.95 0.64
10/16/03 99% 98% 68% 98% 91% 80% 0.16 0.08 0.95 0.64
10/17/03 65% 72% 69% 99% 76% 80% 0.16 0.08 0.95 0.64
10/18/03 21% 90% 64% 80% 64% 80% 0.16 0.08 0.95 0.64
10/19/03 61% 87% 87% 88% 81% 80% 0.16 0.08 0.95 0.64
10/20/03 97% 68% 86% 97% 87% 80% 0.16 0.08 0.95 0.64
10/21/03 70% 74% 79% 83% 77% 80% 0.16 0.08 0.95 0.64
10/22/03 83% 96% 91% 85% 89% 80% 0.16 0.08 0.95 0.64
10/23/03 62% 60% 22% 21% 41% 80% 0.16 0.08 0.95 0.64
10/24/03 77% 93% 91% 81% 86% 80% 0.16 0.08 0.95 0.64
10/25/03 81% 87% 78% 83% 82% 80% 0.16 0.08 0.95 0.64
10/26/03 99% 79% 64% 84% 82% 80% 0.16 0.08 0.95 0.64
10/27/03 92% 87% 80% 80% 85% 80% 0.16 0.08 0.95 0.64
10/28/03 77% 80% 77% 86% 80% 80% 0.16 0.08 0.95 0.64
10/29/03 63% 98% 86% 87% 84% 80% 0.16 0.08 0.95 0.64
10/30/03 93% 97% 91% 91% 93% 80% 0.16 0.08 0.95 0.64
10/31/03 64% 73% 61% 87% 71% 80% 0.16 0.08 0.95 0.64

Which is derived from the following formulas:

Question 4B