Question

Mr. T received a grade of 82 in chemistry in which the class average was 68...

Mr. T received a grade of 82 in chemistry in which the class average was 68 and the standard deviation was 8. On an economics examination, he received a grade of 89 in the class, and the class average was 80 with a standard deviation of 6. In which subject is Mr. T’s relative performance higher?

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Raul received a score of 72 on a history test for which the class mean was...
Raul received a score of 72 on a history test for which the class mean was 70 with a standard deviation of 7. He received a score of 80 on a biology test for which the class mean was 70 with standard deviation 5. On which test did he do better relative to the rest of the class? a) biology test b) history test C) the same
8.         In a statistics class, the average grade on the final examination was 75 with a standard...
8.         In a statistics class, the average grade on the final examination was 75 with a standard deviation of 5. a. Use Chebyshev’s theorem to answer: At least what percentage of the students received grades between 50 and 100?                b.          What is the z-score for a student who had an examination score of 91?            c.   Would the test score from part b., be considered an outlier? Explain.                         9. Assume we have a symmetric or bell shaped distribution. Using...
Raul received a score of 76 on a history test for which the class mean was...
Raul received a score of 76 on a history test for which the class mean was 70 with a standard deviation of 9. He received a score of 78 on a biology test for which the class mean was 70 with standard deviation 7. On which test did he do better relative to the rest of the class? biology test history test or the same
Test Scores A students scored 76 on a general science test where the class mean and...
Test Scores A students scored 76 on a general science test where the class mean and standard deviation were 82 and 8 respectively; he also scored 53 on a psychology test where the class mean and standard deviation were 58 and 3 respectively. In which class was his relative position higher? I need solution step by step.
A chemistry professor at a large university is trying a new teaching method in which he...
A chemistry professor at a large university is trying a new teaching method in which he has students read material before class and work on problems in class instead of lecturing. He uses the new method in a class with 123 students, and he just lectures in another section with 104 students. He gives the same test to both classes. The class using the new method had a mean of x¯1x¯1 = 84 with a standard deviation of s1s1 =...
Match each statistic with the scenario for which it is appropriate. Donny scored 82 on his...
Match each statistic with the scenario for which it is appropriate. Donny scored 82 on his psychology test. If he wants to know the probability of obtaining a score greater than 82, which statistic should he use?       [ Choose ]            t-test for independent samples            z-score            t-test for related samples       Marian found that the average height of female students in her psychology class was 63 inches with a...
The Data A central tenet to being a good instructor, I believe, is to be a...
The Data A central tenet to being a good instructor, I believe, is to be a reflective practitioner of your craft. From time to time I find it to be necessary to review and reflect on my work as an instructor from a grade perspective. On our moodle page you will find a link to a second word document titled “300 Grades”. This data sheet contains both the alphanumeric grade (page 1) and the numerical equivalent (page 2) for every...
Since we are attempting to examine the behavior of a class of students, the behavior of...
Since we are attempting to examine the behavior of a class of students, the behavior of an individual (as we calculated in objective 1) is really of little concern to us. Assuming that there are 30 students enrolled for a typical class, use the central limit theorem to calculate the following:    •   What would be the shape of the distribution of the average class grade of these 30 students?    •   What would be the average class average of...
Business faculty at a prestigious community college wanted to evaluate the infuence of Netflix on student...
Business faculty at a prestigious community college wanted to evaluate the infuence of Netflix on student academic performance. After careful consideration, the faculty decided to conduct a prelimary study to see if they could justify a more detailed analysis. The preliminary study follows: Sixty (60) students were selected for two sections of a Business Adminstration class. The students were selected based on their previous performance in an introductory level course. In order to enroll in one of the sections, students...
1. P(z<-2.12)= ? 2. P(z=2.6)=? 3. P(z>-3)=? 4. P(z<-2.36)=? 5. p(z>-0.24)=? 6. P(-1.88<z<1.65)=? 7. The mean...
1. P(z<-2.12)= ? 2. P(z=2.6)=? 3. P(z>-3)=? 4. P(z<-2.36)=? 5. p(z>-0.24)=? 6. P(-1.88<z<1.65)=? 7. The mean amount of sleep needed for adults is 509 minutes per night. If the standard deviation for adult sleepers is 47. What is the Z score associated with sleeping 556 minutes per night? Round your answer to the nearest thousandth. 8. The mean amount of sleep needed for adults is 502 minutes per night. If the standard deviation for adult sleepers is 43. What is...