Time in surgery: Records at a hospital show that a certain surgical procedure takes an average of 172.6 minutes with a standard deviation of 8.5 minutes. If the data are approximately bell-shaped, between what two values will about 68% of the data fall? About 68% of the data will fall between and .

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
Time in surgery: Records at a hospital show that a certain surgical procedure takes an average of 172.6 minutes with a standard
deviation of 8.5 minutes. If the data are approximately bell-shaped, between what two values will about 68% of the data fall?
About 68% of the data will fall between
and
Transcribed Image Text:Time in surgery: Records at a hospital show that a certain surgical procedure takes an average of 172.6 minutes with a standard deviation of 8.5 minutes. If the data are approximately bell-shaped, between what two values will about 68% of the data fall? About 68% of the data will fall between and
The following table presents the percentage of students who tested proficient in reading and the percentage who tested proficient in math
for 5 randomly selected states in the United States. Compute the least-squares regression line for predicting math proficiency from
reading proficiency.
Percent Proficient
Percent Proficient
in Mathematics
State
in Reading
Illinois
75
70
Pennsylvania
79
77
North Carolina
71
73
New York
75
70
Техas
73
78
Send data to Excel
The equation for the least squares regression line is y =
Round the slope and y-intercept to four decimal places as needed.
Transcribed Image Text:The following table presents the percentage of students who tested proficient in reading and the percentage who tested proficient in math for 5 randomly selected states in the United States. Compute the least-squares regression line for predicting math proficiency from reading proficiency. Percent Proficient Percent Proficient in Mathematics State in Reading Illinois 75 70 Pennsylvania 79 77 North Carolina 71 73 New York 75 70 Техas 73 78 Send data to Excel The equation for the least squares regression line is y = Round the slope and y-intercept to four decimal places as needed.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman