According to a los angeles times study of more than 1 million medical dispatches from2007 to 2012, the 911 response time for medical aid varies dramatically across LosAngeles (la times website, November 2012). Under national standards adopted by theLos Angeles Fire Department, rescuers are supposed to arrive within six minutes to almostall medical emergencies. But the times analysis found that in affluent hillside communities stretching from griffith Park to Pacific Palisades, firefighters failed to hit that marknearly 85% of the time.The following data show the response times, in minutes, for 10 emergency calls in thegriffith Park neighborhood.11.8 10.3 10.7 10.6 11.5 8.3 10.5 10.9 10.7 11.2Based on this sample of ten response times, compute the descriptive statistics in parts (a)and (b) and then answer the questions in parts (c) and (d):a. Mean, median, and modeb. Range and standard deviationc. Should the response time of 8.3 minutes be considered an outlier in comparison to theother response times?
According to a los angeles times study of more than 1 million medical dispatches from
2007 to 2012, the 911 response time for medical aid varies dramatically across Los
Angeles (la times website, November 2012). Under national standards adopted by the
Los Angeles Fire Department, rescuers are supposed to arrive within six minutes to almost
all medical emergencies. But the times analysis found that in affluent hillside communities stretching from griffith Park to Pacific Palisades, firefighters failed to hit that mark
nearly 85% of the time.
The following data show the response times, in minutes, for 10 emergency calls in the
griffith Park neighborhood.
11.8 10.3 10.7 10.6 11.5 8.3 10.5 10.9 10.7 11.2
Based on this sample of ten response times, compute the
and (b) and then answer the questions in parts (c) and (d):
a. Mean, median, and
b.
c. Should the response time of 8.3 minutes be considered an outlier in comparison to the
other response times?
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