3. 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 Lo Angeles (IA Times website, November 2012). Under national standards adopted by the Los Angeles Fire Department, rescuers are supposed to arrive within six minutes to 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 a) Calculate the mean and mode b) calculate the Range, variance, and standard deviation (GO TO 4 DECIMALS FOR VALUES IN (X- XBAR)² COLUMN) c) calculate the Z score for 11.8? Based on the Z score, is the response time of 11.8 an outlier?
3. 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 Lo Angeles (IA Times website, November 2012). Under national standards adopted by the Los Angeles Fire Department, rescuers are supposed to arrive within six minutes to 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 a) Calculate the mean and mode b) calculate the Range, variance, and standard deviation (GO TO 4 DECIMALS FOR VALUES IN (X- XBAR)² COLUMN) c) calculate the Z score for 11.8? Based on the Z score, is the response time of 11.8 an outlier?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 25PPS
Related questions
Question
Transcribed Image Text:3. 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 Lo Angeles (IA Times
website, November 2012). Under national standards adopted by the Los Angeles Fire
Department, rescuers are supposed to arrive within six minutes to 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
a) Calculate the mean and mode
b) calculate the Range, variance, and standard deviation
(GO TO 4 DECIMALS FOR VALUES IN (X- XBAR)? COLUMN)
c) calculate the Z score for 11.8? Based on the Z score, is the response time of 11.8 an outlier?
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 6 steps with 6 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill