*F1!SEWA@*F2#80F3$888F4%FSF644F7DIIFB-2.5 -1.75 -0.5 10DDF9F10F11F12bore.184. Michael and Lorenzo both took the same calculus test. Mi-chael scored an 87 on the test. Lorenzo's test paper only hadthe z score of his grade which was +1.2. The instructor gaveLorenzo the following information about the distribution oftest grades: the mean test grade is 76 and the standard devi-ation is 15. Who had the higher grade, Michael or Lorenzo?theand Nution to the

We have givenMichael score ( X1) = 87Lorenzo z-score(Z) = + 1.2 Lorenzo mean and standard deviation…

Answered: 184. Michael and Lorenzo both took the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Joselyn hopes to receive a grade of B or better in her statistics class. Currently she has scored 75, 83, and 81 on her three in-class tests and also has a homework average of 88. Her professor calculates the class grade by finding the mean of five grades: three in-class tests, the homework average and the final exam. What is the minimum score Joselyn must earn on the final exam to have a class grade (mean) of 80? A. 67 B. 95 C. 70 D. 73
Last semester, Bonnie took a different Biology teacher than her friend Tony. After the final exam, they compared test scores. Bonnie earned an 83 (mean = 75.6, sd = 5), and Tony earned an 87 (mean = 80.3, sd = 7). Who did better? Why?
th Last year over 8000 students took an entrance exam at a certain state university. Tom's score was at the 55 percentile. Leila's score was at the 86 percentile. (a) Which of the following must be true about Tom's and Leila's scores? O Tom scored higher than Leila. O Both Tom and Leila scored higher than the median. O Leila answered 31 more questions correctly than Tom. O Tom's and Leila's scores were both in the bottom half of all scores. (b) Which of the following must be true about Tom's score? O Tom scored lower than about 55% of the students who took the exam. O Tom got about 55% of the questions correct. Tom scored higher than about 55% of the students who took the exam. Tom got about 55% of the questions wrong. Submit Assignme Continue iert 144 %23 4. 6. 8 R Y U H K L A. D paus V. B M alt ctri alt USE YOUR Dew de LL
A mathematics professor lost a test paper belonging to one of her students. She remembered that the mean score for the class of 20 was 81 and that the sum of the 19 other scores was 1530. What was the grade on the paper she lost?
A student has an average of 81 on four equally weighted tests she has taken in her statistics class. What grade must she receive on her fifth test if she needs an average score of 83? Answer is 91? Can you help me to explain to me step by step?
I need help with the first question: Find the z-score value associated with a guess of 38.
Match these values of r with the accompanying scatterplots: - 0.994, 0.76, 0.994, - 0.374, and - 0.76. Click the icon to view the scatterplots. Match the values of r to the scatterplots. i Scatterplots Scatterplot 1, r= Scatterplot 2, r= Scatterplot 3, r = Scatterplot 1 Scatterplot 2 Scatterplot 3 Scatterplot 4, r= 8- 8- 8- Scatterplot 5, r = 6- 6- 6- > 4- 4- 4- 2- 2- 2- 0+ 0- 0- 0.2 0.4 0.6 0.8 1 0.2 0.4 0.6 0.8 1 0.2 0.4 0.6 0.8 1 Scatterplot 4 Scatterplot 5 8- 6- -2- -4– > 4- -6- 2- -8- 04 0.2 0.4 0.6 0.8 1 0.2 0.4 0.6 0.8 1 X of of of of of
A sample of 150 married women determined that 127 are happy in their marriage. A sample of 150 married men determined that 76% are happy in their marriage. If you plan to test if the percent of married women who are happy in their marriage is greater then the percent of married men who are happy in their marriage- Answer the following: What is the test statistic? Write to 4 decimal places.
The pass result of fifty students who took up a class test is given below: Marks Number of Students 4 8 5 10 9. 7 4 9. 3 If the average marks for all the fifty students were 5.16, find out the average marks of ti students who failed.
Samantha took an exam in her statistics class and received 90 out of 100. Samantha thought that was a good score, but she wanted to know how high her score was in relation to the rest of the class. Her professor said her Z-score was -0.29. How should Samantha interpret her Z-score? a. Samantha’s score is 0.29 points above the class mean.b. Samantha’s score is 29% above than the class mean.c. Samantha’s score is 0.29 standard deviations above the class mean.d. Samantha’s score is 0.29 standard deviations below the class mean.
How would I identify the p-value?

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