The main cross-town transit route in a large Ontario town makes 120 trips per day. The transit authority will tolerate an average of no more than 5 late running trips per day. They wish to use a control chart to monitor the timeliness of the route. The following data were collected for 8 days. Based on this information, the values of the appropriate lower and upper control limits are
A) 0 and 10.2.
B) -1.71 and 11.71.
C) 0 and 19.5.
D) -9.75 and 19.5.
E) 2.28 and 14.47.

Question

The main cross-town transit route in a large Ontario town makes 120 trips per day. The transit authority will tolerate an average of no more than 5 late running trips per day. They wish to use a control chart to monitor the timeliness of the route. The following data were collected for 8 days. Based on this information, the values of the appropriate lower and upper control limits are 
A) 0 and 10.2. 
B) -1.71 and 11.71. 
C) 0 and 19.5. 
D) -9.75 and 19.5. 
E) 2.28 and 14.47.

Quizplus · Accepted Answer

The Answer of The main cross-town transit route in a large Ontario town makes 120 trips per day. The transit authority will tolerate an average of no more than 5 late running trips per day. They wish to use a control chart to monitor the timeliness of the route. The following data were collected for 8 days. Based on this information, the values of the appropriate lower and upper control limits are 
A) 0 and 10.2. 
B) -1.71 and 11.71. 
C) 0 and 19.5. 
D) -9.75 and 19.5. 
E) 2.28 and 14.47.

The Main Cross-Town Transit Route in a Large Ontario Town