Homework Help is Here – Start Your Trial Now!
Math
Statistics
1. A customer at a specialty çoffee shop observed the amount of time, in minutes, that each of 20 customer spent waiting to receive an order. The results are recorded in the table below. Time (min) to receive order 3.2 4.0 3.8 2.4 4.7 5.1 4.6 3.5 3.5 5.3 6.2 2.9 3.5 4.9 4.5 5.0 2.8 3.5 2.2 3.9 Find the range, standard deviation and variance of these data. Round to the nearest hundreths.

1. A customer at a specialty çoffee shop observed the amount of time, in minutes, that each of 20 customer spent waiting to receive an order. The results are recorded in the table below. Time (min) to receive order 3.2 4.0 3.8 2.4 4.7 5.1 4.6 3.5 3.5 5.3 6.2 2.9 3.5 4.9 4.5 5.0 2.8 3.5 2.2 3.9 Find the range, standard deviation and variance of these data. Round to the nearest hundreths.

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
Name: Year, Course and Section: Instructor: Score: Directions: Answer the following questions. Use separate sheets for your answer and justify it thoroughly (for items requiring explanation which should be supported by your solution). Measures of Dispersion 1. A customer at a specialty çoffee shop observed the amount of time, in minutes, that each of 20 customer spent waiting to receive an order. The results are recorded in the table below. Time (min) to receive order 3.2 4.0 3.8 2.4 5.0 4.7 5.1 4.6 3.5 2.2 Find the range, standard deviation and variance of these data. Round to the nearest hundreths. 3,5 3.9 3.5 6.2 3.5 4.9 4.5 2.8 5.3 2.9 2. A mountain climber plans to buy some rope to use as a lifeline. Which of the following would be a better choice? Explain your choice. A. Mean breaking strength: 500 lb; standard deviation of 100 lb B. Mean breaking strength: 500 lb; standard deviation of 10 lb 3. Which would you expect to be larger: the standard deviation of 5 random numbers picked from 1 to 47 in a lotto, or the standard deviation of 5 random numbers picked from 1 to 69 in another lotto? Why? Moasures of Rolative Position 4. Which of the following test scores is the highest relative score? Why? a. A score of 65 on a test with a mean of 72 and a standard deviation of 8.2 b. A score of 102 on a test with a mean of 130 and a standard deviation of 1.85 C. A score of 605 on a test with a mean of 720 and a standard deviation of 116.4 5. A blood pressure test was given to 450 women ages 20 to 36. It showed that their mean systolic blood pressure was 119.4 mm Hg, with standard deviation of 13.2 mm Hg. The z-score for one woman was 2.15. What was her systolic blood pressure reading? 6. On a reading test, Shaylen's score of 455 was higher than the scores of 4256 of the 7210 students who nst
Transcribed Image Text:Name: Year, Course and Section: Instructor: Score: Directions: Answer the following questions. Use separate sheets for your answer and justify it thoroughly (for items requiring explanation which should be supported by your solution). Measures of Dispersion 1. A customer at a specialty çoffee shop observed the amount of time, in minutes, that each of 20 customer spent waiting to receive an order. The results are recorded in the table below. Time (min) to receive order 3.2 4.0 3.8 2.4 5.0 4.7 5.1 4.6 3.5 2.2 Find the range, standard deviation and variance of these data. Round to the nearest hundreths. 3,5 3.9 3.5 6.2 3.5 4.9 4.5 2.8 5.3 2.9 2. A mountain climber plans to buy some rope to use as a lifeline. Which of the following would be a better choice? Explain your choice. A. Mean breaking strength: 500 lb; standard deviation of 100 lb B. Mean breaking strength: 500 lb; standard deviation of 10 lb 3. Which would you expect to be larger: the standard deviation of 5 random numbers picked from 1 to 47 in a lotto, or the standard deviation of 5 random numbers picked from 1 to 69 in another lotto? Why? Moasures of Rolative Position 4. Which of the following test scores is the highest relative score? Why? a. A score of 65 on a test with a mean of 72 and a standard deviation of 8.2 b. A score of 102 on a test with a mean of 130 and a standard deviation of 1.85 C. A score of 605 on a test with a mean of 720 and a standard deviation of 116.4 5. A blood pressure test was given to 450 women ages 20 to 36. It showed that their mean systolic blood pressure was 119.4 mm Hg, with standard deviation of 13.2 mm Hg. The z-score for one woman was 2.15. What was her systolic blood pressure reading? 6. On a reading test, Shaylen's score of 455 was higher than the scores of 4256 of the 7210 students who nst
Expert Solution
steps

Step by step

Solved in 2 steps

SEE SOLUTIONCheck out a sample Q&A here
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
SEE MORE TEXTBOOKS