A doctor's office staff studied the waiting times for patients who arrive at the office with a request for emergency service. The following data with waiting times in minutes were collected over a one-month period. 4 7 11 14 2 2 3 16 12 7 6 9 18 20 7 7 6 12 16 3 a. Fill in the frequency values below. Waiting Time Frequency 0-4   5-9   10-14   15-19   20-24   Total   b. Fill in the relative frequency values below (2 decimals). Waiting Time Relative Frequency 0-4   5-9   10-14   15-19   20-24   Total   c. Fill in the cumulative frequency values below. Waiting Time Cumulative Frequency Less than or equal to 4    Less than or equal to 9    Less than or equal to 14   Less than or equal to 19   Less than or equal to 24

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A doctor's office staff studied the waiting times for patients who arrive at the office with a request for emergency service. The following data with waiting times in minutes were collected over a one-month period.

4 7 11 14 2 2 3 16 12 7 6 9 18 20 7 7 6 12 16 3

a. Fill in the frequency values below.

Waiting Time Frequency
0-4  
5-9  
10-14  
15-19  
20-24  
Total  

b. Fill in the relative frequency values below (2 decimals).

Waiting Time Relative Frequency
0-4  
5-9  
10-14  
15-19  
20-24  
Total  

c. Fill in the cumulative frequency values below.

Waiting Time Cumulative Frequency
Less than or equal to 4   
Less than or equal to 9   
Less than or equal to 14  
Less than or equal to 19  
Less than or equal to 24   

d. Fill in the cumulative relative frequency values below (2 decimals).

Waiting Time Cumulative Relative Frequency
Less than or equal to 4   
Less than or equal to 9  
Less than or equal to 14  
Less than or equal to 19  
Less than or equal to 24   

e. What proportion of patients needing emergency service wait 9 minutes or less?

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