Question

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

Homework Answers

Answer #1

History test

Mean = = 70

Standard deviation = = 7

Score = X = 72

Biology test

Mean = = 70

Standard deviation = = 5

Score = X = 80

On which test did he do better relative to the rest of the class? a) biology test b) history test C) the same

a) biology test

As Z score is higher

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 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
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 5. He received a score of 71 on a biology test for which the class mean was 70 with standard deviation 8. On which test did he do better relative to the rest of the class? biology test history test the same
In your psychology class, the mean exam score is 72 and the standard deviation is 12....
In your psychology class, the mean exam score is 72 and the standard deviation is 12. You scored 78. In your biology class, the mean exam score is 56 and the standard deviation is 5. You scored 66. If your professors grade "on a curve" (i.e., according to the distribution of scores), for which exam would you expect to get a better grade? (Hint: Convert your exam scores to z-scores). A) Biology B) Psychology
In Test-1 of Math-120 you scored 85, where the mean score of the class is 70...
In Test-1 of Math-120 you scored 85, where the mean score of the class is 70 and standard deviation = 5. On Math-150 Test-1 you scored 88, where the mean score on that class is 76 and standard deviation = 6. You did comparatively better on which test, Math-120 or Math-150? Show and explain your reasoning with the help of z-score.
In Test-1 of Math-120 you scored 85, where the mean score of the class is 70...
In Test-1 of Math-120 you scored 85, where the mean score of the class is 70 and standard deviation = 5. On Math-150 Test-1 you scored 88, where the mean score on that class is 76 and standard deviation = 6. You did comparatively better on which test, Math-120 or Math-150? Show and explain your reasoning with the help of z-score.
lucy got a score of 75 from her stats class. Assuming the scores of her class...
lucy got a score of 75 from her stats class. Assuming the scores of her class formed a normal distribution and had a mean of 60 and a standard deviation of 5. a. What is Lucys percentile rank? b. How would you explain her percentile rank to your grandmother? c.Lucy's history class also has a normal distribution on the first test(M=70, S=10) and her score was 75 too. What class did she do relatively better or do you think she...
1)A normal distribution has μ = 24 and σ = 5. (a) Find the z score...
1)A normal distribution has μ = 24 and σ = 5. (a) Find the z score corresponding to x = 19. (b) Find the z score corresponding to x = 35. (c) Find the raw score corresponding to z = −2. (d) Find the raw score corresponding to z = 1.7. 2)Sketch the area under the standard normal curve over the indicated interval and find the specified area. (Round your answer to four decimal places.) The area to the left...
For an Economics test the mean score is 100 and the standard deviation is 10, and...
For an Economics test the mean score is 100 and the standard deviation is 10, and for an Accounting test the mean score is 50 and the standard deviation is 4. You are given the test scores of a student who took both tests. Determine on which test the student had a better score. Enter E if the student did better on the Economics test Enter A if the student did better on the Accounting test Enter S if the...
From past history, the scores on a statistics test are normally distributed with a mean of...
From past history, the scores on a statistics test are normally distributed with a mean of 70% and a standard deviation of 5%. To earn a "C" on the test, a student must be in the top 25% of the class. What should a student score to receive a "C"? 77.21 74.69 73.96 76.90 None of the choices are correct
From past history, the scores on a statistics test are normally distributed with a mean of...
From past history, the scores on a statistics test are normally distributed with a mean of 70% and a standard deviation of 5%. To earn a "C" on the test, a student must be in the top 25% of the class. What should a student score to receive a "C"? 77.21 74.69 73.96 76.90 None of the choices are correct
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT