Homework Help is Here – Start Your Trial Now!
Math
Statistics
You are a quality advisor of a local school, Where food is served to the students. You are currently investigating the quality of student's meal put out by the cafeteria. You conducted a 10-day survey by submitting a simple questionnaire to 1200 students, asking that they simply check off that the meal was either satisfactory or unsatisfactory. The response was 1000 returned questionnaire from the 1200 students each day. The result are as follows. Number of unsatisfactory meals Day 1 74 Day 2 42 Day 3 64 Day 4 Day 5 Day 6 Day 7 Day 8 80 40 50 65 70 Day 9 40 Day 10 75 A) Is this process under control using a confidence interval of 9.5 percent? B) What comments can you make about the results of the survey based on the control chart?

You are a quality advisor of a local school, Where food is served to the students. You are currently investigating the quality of student's meal put out by the cafeteria. You conducted a 10-day survey by submitting a simple questionnaire to 1200 students, asking that they simply check off that the meal was either satisfactory or unsatisfactory. The response was 1000 returned questionnaire from the 1200 students each day. The result are as follows. Number of unsatisfactory meals Day 1 74 Day 2 42 Day 3 64 Day 4 Day 5 Day 6 Day 7 Day 8 80 40 50 65 70 Day 9 40 Day 10 75 A) Is this process under control using a confidence interval of 9.5 percent? B) What comments can you make about the results of the survey based on the control chart?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
See similar textbooks
icon
Related questions
Question

Please try to do math in hand written

You are a quality advisor of a local school, Where food is served to the students. You are currently investigating the quality of student's meal put out by the cafeteria. You conducted a 10-day survey by submitting a simple questionnaire to 1200 students, asking that they simply check off that the meal was either satisfactory or unsatisfactory. The response was 1000 returned questionnaire from the 1200 students each day. The result are as follows. Number of unsatisfactory meals Day 1 74 Day 2 42 Day 3 64 Day 4 80 Day 5 40 Day 6 50 Day 7 65 Day 8 70 Day 9 40 Day 10 75 A) Is this process under control using a confidence interval of 9.5 percent? B) What comments can you make about the results of the survey based on the control chart?
Transcribed Image Text:You are a quality advisor of a local school, Where food is served to the students. You are currently investigating the quality of student's meal put out by the cafeteria. You conducted a 10-day survey by submitting a simple questionnaire to 1200 students, asking that they simply check off that the meal was either satisfactory or unsatisfactory. The response was 1000 returned questionnaire from the 1200 students each day. The result are as follows. Number of unsatisfactory meals Day 1 74 Day 2 42 Day 3 64 Day 4 80 Day 5 40 Day 6 50 Day 7 65 Day 8 70 Day 9 40 Day 10 75 A) Is this process under control using a confidence interval of 9.5 percent? B) What comments can you make about the results of the survey based on the control chart?
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Fractions
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
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
SEE MORE TEXTBOOKS