Question (2): (50%)An instructor has graded 19 exam papers submitted by students in a class of 20 students, and the mean(average) so far is 70. The maximum possible score is 100. Show your calculation steps for the questionsbelow ac2.²2. Can the last paper score increase the average by 2 points? Explain?3. If the last paper receives 60, determine the new mean.4. If the last paper receives 60, what is its deviation from total average?5. If the highest grade is 95 and lowest grade is 20, what is the range of the grades?

Given that total students (N) = 20, so far graded paper (n) =19, mean of so far graded papers (m) =…

Answered: 2. Can the last paper score increase…

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

Similar questions

Suppose that the mean score of a class of 28 students was 77. The 16 male students in the class had a mean score of 64. What was the mean score for the 12 female students? Mean Score for Female Students =
How do I explain if the mean and median are different, comparing the tibia length before and after hurricane. BEFORE: Mean: 12.15197 Median: 12.96 AFTER: Mean:11.92828 Median: 12.16
Please answer Part b,c,d correctly d) Explain in context what your interval means. Select the correct choice below. A. 95% of all bags of tortilla chips will have a mean weight that falls within the interval. B. 95% of the weights of the bags of tortilla chips will be contained in the interval. C. The interval contains the true mean weight of the contents of a bag of tortilla chips 95% of the time D. We are 95% confident that the interval contains the true mean weight of the contents of a bag of tortilla chips
15 Mean of 100 items was 50. Later on it was found that two items were misread as 92 and 8 instead of 192 and 88. Find the correct mean. Given N=100 , X=50
5. Given an example where you measured the height of 10 of your classmates and computed a mean of 70 inches and standarad diviation of 4 inches, COmpute the T scores for 68 inches and 76 inches.
Please see attached.
3. Using the two tables of output below, write three summary statements in APA format. Be sure you report results such as Mean and SD in proper APA format. Coffee refers to the amount of money spent on coffee in the previous week, soda refers to the amount of money spent on soda in the previous week, and sleep refers to the average daily number of hours spent sleeping in the previous week. Descriptive Statistics Mean Std. Deviation coffee 7.5500 9.62166 20 soda 6.1000 6.79706 20 sleep 7.2625 1.38001 20
HEEEELP
5. The average weight of a newborn baby is 7.5 lbs with a standard deviation of 1.25 lbs. The average weight of a newborn elephant is 244 lbs with a standard deviation of 15 lbs. Find the Coefficient of Variation for the baby and the elephant. What does the information tell you?
What is the value of the test-statistic (the "t-test" value)? Student 1 2 OA.-9.60 OB.-2.67 OC.-3.20 O D.-1.11 Anxiety Before Movie 2 5 Anxiety After Movie 18 9 14
11. Max scored a 75 on a Math test where the mean was 74 and the standard deviation was 10. Sam scored an 82 on a Math test where the mean was 85 and the standard deviation was 7. Use statistics to show who performed better on their test. b. Based on your statistics, explain why you chose the student from part a as the better performing student on their test.

Recommended textbooks for you

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

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

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

MATLAB: An Introduction with Applications

Statistics

ISBN:

9781119256830

Author:

Amos Gilat

Publisher:

John Wiley & Sons Inc

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

ISBN:

9781305504912

Author:

Frederick J Gravetter, Larry B. Wallnau

Publisher:

Cengage Learning

Elementary Statistics: Picturing the World (7th E…

Statistics

ISBN:

9780134683416

Author:

Ron Larson, Betsy Farber

Publisher:

PEARSON

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

Statistics

ISBN:

9781319013387

Author:

David S. Moore, George P. McCabe, Bruce A. Craig

Publisher:

W. H. Freeman

SEE MORE TEXTBOOKS

2. Can the last paper score increase the average by 2 points? Explain? 3. If the last paper receives 60, determine the new mean. 4. If the last paper receives 60, what is its deviation from total average? 5. If the highest grade is 95 and lowest grade is 20, what is the range of the grades?