Cristina and Diana began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Cristina took a test in English and earned a 81.3, and Diana took a test in Art History and earned a 65. Use the fact that all the students' test grades in the English class had a mean of 73.7 and a standard deviation of 10, and all the students' test grades in Art History had a mean of 65.1 and a standard deviation of 11.1 to answer the following questions. a) Calculate the z-score for Cristina's test grade. b) Calculate the z-score for Diana's test grade. = Z c) Which person did relatively better? O Cristina O Diana O They did equally well.

Cristina and Diana began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Cristina took a test in English and earned a 81.3, and Diana took a test in Art History and earned a 65. Use the fact that all the students' test grades in the English class had a mean of 73.7 and a standard deviation of 10, and all the students' test grades in Art History had a mean of 65.1 and a standard deviation of 11.1 to answer the following questions. a) Calculate the z-score for Cristina's test grade. b) Calculate the z-score for Diana's test grade. = Z c) Which person did relatively better? O Cristina O Diana O They did equally well.

Name: Cristina and Diana began arguing about who did better on their tests,
Uploaded: 2024-03-20T07:06:16.000Z
Channel: Bartleby
Description: Cristina and Diana began arguing about who did better on their tests, but they couldn't decide who didbetter given that they took different tests. Cristina took a test in English and earned a 81.3, and Diana tooka test in Art History and earned a 65

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

Two teachers have a friendly rivalry. They want to know which of their students did better on their respective final exams. The first teacher teaches chemistry and her 49 students had a mean = 68. The national mean and standard deviation for this exam is 65 and 10, respectively. The second teacher teaches history and his 64 students had a mean = 72. The national mean and standard deviation for this exam is 70 and 7, respectively. Taking into account the average performance of students on chemistry and history exams nationwide, which teachers' students did better on their respective final exams?
The mean salary for the 40 workers in company A is $97 per week, whereas in company B the mean salary for its 10 workers is $87 per week. If the two companies merge, what is the mean salary for the 50 employees of the new company?$ per week
The scores on a statewide chemistry exam were normally distributed with ?=73.08 and ?=6. Gabriela scored 78 on the exam. Gabriela's exam grade was higher than what percentage of test-takers?
Janai and Aaliyah began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Janai took a test in Math and earned a 76.5, and Aaliyah took a test in Social Studies and earned a 70.2. Use the fact that all the students' test grades in the Math class had a mean of 74.7 and a standard deviation of 11.6, and all the students' test grades in Social Studies had a mean of 61 and a standard deviation of 10.8 to answer the following questions. a) Calculate the z-score for Janai's test grade. 2= b) Calculate the z-score for Aaliyah's test grade. 2= [Round your answer to two decimal places.] Janai Aaliyah They did equally well. c) Which person did relatively better? [Round your answer to two decimal places.] Submit Question Question Help: Message instructor
Lauren and Chelsea began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Lauren took a test in Math and earned a 75, and Chelsea took a test in Social Studies and earned a 70. Use the fact that all the students' test grades in the Math class had a mean of 76.4 and a standard deviation of 9.8, and all the students' test grades in Social Studies had a mean of 63.4 and a standard deviation of 9.6 to answer the following questions.a) Calculate the z-score for Lauren's test grade.z=z=b) Calculate the z-score for Chelsea's test grade.z=z=c) Which person did relatively better? Lauren Chelsea They did equally well.
On a nationwide math test, the mean was 51 and the standard deviation was 4. If Roberto scored 85, what was his z-score?
On a nationwide math test, the mean was 72 and the standard deviation was 7. If Roberto scored 90, what was his z-score?
Ava scored a 92 on a test with a mean of 71 and a standard deviation of 15. Charlotte scored a 688 on a test with a mean of 493 and a standard deviation of 150. What score would I have to get on a test with a mean of 85 and a standarddeviation of 15 to have the best score out of the three of us?
Salomé and Latasha began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Salomé took a test in Social Studies and earned a 80.8, and Latasha took a test in Math and earned a 68.1. Use the fact that all the students' test grades in the Social Studies class had a mean of 73.7 and a standard deviation of 10, and all the students' test grades in Math had a mean of 62.1 and a standard deviation of 8.8 to answer the following questions. a) Calculate the z-score for Salomé's test grade. z = b) Calculate the z-score for Latasha's test grade. z = c) Which person did relatively better? Salomé Latasha They did equally well.
CO LO Translate Mikayla and April began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Mikayla took a test in Science and earned a 78.6, and April took a test in English and earned a 61.3. Use the fact that all the students' test grades in the Science class had a mean of 75.6 and a standard deviation of 11.8, and all the students' test grades in English had a mean of 65.3 and a standard deviation of 9.6 to answer the following questions. a) Calculate the z-score for Mikayla's test grade. [Round your answer to two decimal places.] 三2 b) Calculate the z-score for April's test grade. [Round your answer to two decimal places,] 三2 c) Which person did relatively better? Mikayla O April O They did equally well. Submit Question 52°F Clou +56 五。 Or
Lucille, Rocio, and Cristina are all taking College Mathematics but from different professors. They all recently took a statistics exam and the exam scores were normally distributed in each of their classes. Lucille's class had an average grade of 85 and the standard deviation was 3. Lucille earned 89.5 on the exam. Rocio's class had an average grade of 83 and the standard deviation was 4. Rocio earned 87.4 on the exam. Cristina's class had an average grade of 76 and the standard deviation was 6. Cristina earned 79.3 on the exam. Since some professors give harder exams than others, these students decided to use statistics to figure out who did the best on their exam.
Erik and Juan began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Erik took a test in Social Studies and earned a 72.8, and Juan took a test in Science and earned a 66.9. Use the fact that all the students' test grades in the Social Studies class had a mean of 72.2 and a standard deviation of 11.1, and all the students' test grades in Science had a mean of 64.2 and a standard deviation of 11 to answer the following questions.a) Calculate the z-score for Erik's test grade.z=z= [Round your answer to two decimal places.]b) Calculate the z-score for Juan's test grade.z=z= [Round your answer to two decimal places.]c) Which person did relatively better? Erik Juan They did equally well.