Question

There are 25 students in a class. The lowest quiz score is a 5. The average...

There are 25 students in a class. The lowest quiz score is a 5. The average quiz score is 14, median is 15, and SD is 3. If the student who got a 5 has their grade changed to a 10, what happens to the average, the median, and the SD, respectively? Answer in detail. Show your work.

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
Suppose we have collected the midterm and final scores of 200 students in a Statistics class,...
Suppose we have collected the midterm and final scores of 200 students in a Statistics class, and we observed that the scatter plot of final scores versus midterm scores is roughly linear. Suppose the average midterm score is 76, with SD 12, and the average final score is 71, with SD 10. Suppose the correlation coefficient between midterm and final scores is 0.6. Use the regression line, or an equivalent regression procedure, to predict the final score for someone who...
Suppose that one a guiz given to 7 students, the maximum score was 15. (a) If...
Suppose that one a guiz given to 7 students, the maximum score was 15. (a) If the median score was 10, what is the highest possible mean? the lowest? (b) If the mean score was 10, what is the largest possible number of students who could have received 0 points on the quiz? (c) If the mode of the set of scores was 15, what is the largest possible median? how about the largest possible mean?
Here is the data set for quiz scores for the students who enroll the Economics 101....
Here is the data set for quiz scores for the students who enroll the Economics 101. 13 14 14 17 15 18 14 18 19 19 20 20 22 22 23 13 9 11 14 14 16 Find the median score of this quiz.
The following data are quiz scores for two quizzes from 8 students in a class. First...
The following data are quiz scores for two quizzes from 8 students in a class. First Quiz Second Quiz 10 12 11 13 13 15 15 19 29 27 33 28 35 29 40 38 Least-squares Regression Line 1) What is the least-squares regression line? Round to three decimal places. ˆy= 2) Prediction Predict the score of the second quiz if a student scored 49 on the first quiz. Round to one decimal place. =
The average time to complete the quiz for all students in the class is uniformly distributed...
The average time to complete the quiz for all students in the class is uniformly distributed between 90 minutes and 150 minutes. Define x Write the notation for the distribution that defines x. x~ Find the mean and interpret the results Find the probability that a student finishes in less than 95 minutes Find the probability that a student takes at least 135 minutes to finish the quiz
The following data are quiz scores for two quizzes from 8 students in a class. First...
The following data are quiz scores for two quizzes from 8 students in a class. First Quiz Second Quiz 16 11 19 14 23 17 32 27 36 28 37 31 38 33 40 40 Least-squares Regression Line What is the least-squares regression line? Round to three decimal places. ˆy= Prediction Predict the score of the second quiz if a student scored 39 on the first quiz. Round to one decimal place.   
Let us assume that there are 16 students who took the SAT in your class. The...
Let us assume that there are 16 students who took the SAT in your class. The 16 students’ SAT score average was 1350. Find the probabilities of the followings. What is the probability that MEAN score of the 16 students is higher than 1350? (0.7% of your grade) The number of students increased to 25 from 16. How the answer for 3 changes? (0.7% of your grade)
15 students received the following scores on a quiz. 6, 7, 2, 10, 8, 6, 7,...
15 students received the following scores on a quiz. 6, 7, 2, 10, 8, 6, 7, 3, 9, 5, 5, 8, 9, 8, 4 1. What is the cumulative frequency for students who scored 6? 2. How many students scored between 7 and 10? 3. What is the cumulative percentage for students who scored 9? 4. A student who received a score of 7 would be at what percentile? (approximately)
The average score of the students in one calculus class is 75, with a standard deviation...
The average score of the students in one calculus class is 75, with a standard deviation of 5. The average score of the students in statistics class is 85 with a standard deviation of 5. Which class is more variable in terms of scores?
a sample have 10 students the average score in math is less than the average in...
a sample have 10 students the average score in math is less than the average in english x1= test scores in math x2= test scores in english assume the scores follow normal distribution let u1 be the population mean of math scored let u2 be the population mean of english score the score are given below student. math. english 1. 18. 22 2. 22. 24 3. 19. 16 4. 23. 19 5. 20. 21 6. 18. 18 7. 16. 17...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT