Homework Help is Here – Start Your Trial Now!
Math
Statistics
3. MMW The mean grade of students in MMW is 84.7 and the standard deviation is 1.69. (a) Determine the z-score for Deadpool who has MMW grade of 80.8. (b) The z-score for Tony Stark is 1.77. What was his MMW grade? 4. Shappy Use the Empirical Rule to answer each question. During Christmas week, Shappy found that the weights of its parcels were normally distributed with a mean of 24 kg and a standard deviation of 6 kg. (a) What percent of the parcels weighed between 12 kg and 30 kg? (b) What percent of the parcels weighed more than 42 kg? 5. IQ Tests.

3. MMW The mean grade of students in MMW is 84.7 and the standard deviation is 1.69. (a) Determine the z-score for Deadpool who has MMW grade of 80.8. (b) The z-score for Tony Stark is 1.77. What was his MMW grade? 4. Shappy Use the Empirical Rule to answer each question. During Christmas week, Shappy found that the weights of its parcels were normally distributed with a mean of 24 kg and a standard deviation of 6 kg. (a) What percent of the parcels weighed between 12 kg and 30 kg? (b) What percent of the parcels weighed more than 42 kg? 5. IQ Tests.

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

 

Direction: Provide a complete proof/solution if 
needed. NO SOLUTION -
NO POINTS.

3. MMW The mean grade of students in MMW is 84.7 and the standard deviation is 1.69. (a) Determine the z-score for Deadpool who has MMW grade of 80.8. (b) The z-score for Tony Stark is 1.77. What was his MMW grade? 4. Shappy Use the Empirical Rule to answer each question. During Christmas week, Shappy found that the weights of its parcels were normally distributed with a mean of 24 kg and a standard deviation of 6 kg. (a) What percent of the parcels weighed between 12 kg and 30 kg? (b) What percent of the parcels weighed more than 42 kg? 5. IQ Tests. A psychologist finds that the intelligence quotients of a group of students are normally distributed with a mean of 103.5 and a standard deviation of 15.3. (a) What is the probability that the IQ of random student is above 117? (b) Find the percent of the patients with IQs between 90 and 118. 6. Height and Weight. Consider the bivariate data for height (in cm) and weight (in kg): Height(x) 170 145 155 167 190 Weight(y) 60 55 45 90 75 (n) Find N, ΣΞ, Σ" Σ. Σ. (Σ), (Σ.)* and Σry. (b) Find a, the y-intercept, and b, the slope of the least-squares line. (c) Find the regression line equation. (d) Use the equation to predict the value of weight when the height is 137 cm. (e) Find the linear correlation coefficient.
Transcribed Image Text:3. MMW The mean grade of students in MMW is 84.7 and the standard deviation is 1.69. (a) Determine the z-score for Deadpool who has MMW grade of 80.8. (b) The z-score for Tony Stark is 1.77. What was his MMW grade? 4. Shappy Use the Empirical Rule to answer each question. During Christmas week, Shappy found that the weights of its parcels were normally distributed with a mean of 24 kg and a standard deviation of 6 kg. (a) What percent of the parcels weighed between 12 kg and 30 kg? (b) What percent of the parcels weighed more than 42 kg? 5. IQ Tests. A psychologist finds that the intelligence quotients of a group of students are normally distributed with a mean of 103.5 and a standard deviation of 15.3. (a) What is the probability that the IQ of random student is above 117? (b) Find the percent of the patients with IQs between 90 and 118. 6. Height and Weight. Consider the bivariate data for height (in cm) and weight (in kg): Height(x) 170 145 155 167 190 Weight(y) 60 55 45 90 75 (n) Find N, ΣΞ, Σ" Σ. Σ. (Σ), (Σ.)* and Σry. (b) Find a, the y-intercept, and b, the slope of the least-squares line. (c) Find the regression line equation. (d) Use the equation to predict the value of weight when the height is 137 cm. (e) Find the linear correlation coefficient.
Expert Solution
steps

Step by step

Solved in 3 steps with 2 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
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