Question

A population of N 16 scores has a mean of μ-4. One person with a score of X 4 is removed from sample, what is the value for the new mean?
0 0
Add a comment Improve this question Transcribed image text
Know the answer?
Add Answer to:
A population of N 16 scores has a mean of μ-4. One person with a score...
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. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • Q1. A sample of n = 8 scores has a mean of M = 7. One...

    Q1. A sample of n = 8 scores has a mean of M = 7. One score in the sample is changed from X = 20 to X = 4. What is the value for the new sample mean? Q2. A sample yielded the following scores: 2, 3, 4, 4, 5, 5, 5, 6, 6, 7 Assume that the scores are measurements of a discrete variable and find the median. Median = Assume that the scores are measurements of a...

  • A population of N = 10 scores has a mean of μ = 24 with SS...

    A population of N = 10 scores has a mean of μ = 24 with SS = 160, a variance of σ2 = 16, and a standard deviation of σ = 4. For this population, what is Σ(X − μ)? A. 0. B. 4. C. 16. D. 160

  • A sample of n = 5 scores has a mean of M = 12. What is...

    A sample of n = 5 scores has a mean of M = 12. What is SX for this sample? A. 12/5 =2.40 B. 5/12=0.417 C. 5(12)=60 D. Cannot be determined with info given. A population has a mean of m = 30. If 3 points are added to each scores, what is the mean for the new distribution? A. 27 B. 30 C. 33 A sample of n = 8 has a mean of M = 10. After one...

  • A sample of n = 16 scores is obtained from a population with a mean of...

    A sample of n = 16 scores is obtained from a population with a mean of 70 and standard deviation of 20. If the sample mean is 75, then the z-score corresponding to the sample mean is ____. Hint: You need to use the sampling distribution of the mean for a sample size of 16 and population standard deviation of 20.

  • A normal distribution of scores in population has a mean of µ = 100 with σ...

    A normal distribution of scores in population has a mean of µ = 100 with σ = 20. A. What is the probability of randomly selecting a score greater than X = 110 from this population? B. If a sample of n = 25 scores is randomly selected from this population, what is the probability that the sample mean will be greater than M = 110?

  • The mean SAT score in mathematics, μ, is 551. The standard deviation of these scores is...

    The mean SAT score in mathematics, μ, is 551. The standard deviation of these scores is 33, A special preparation course claims that its graduates will score higher, on average, than the mean score 551. A random sample of 43 students completed the course, and their mean SAT score in mathematics was 556 Assume that the population is normally distributed. At the 0.05 level of significance, can we conclude that the preparation course does what it claims? Assume that the...

  • 4) A population has a mean of μ = 55 and a standard deviation of σ...

    4) A population has a mean of μ = 55 and a standard deviation of σ = 15. a) If 3 points were added to every score in the population, what would be the new values for the mean and standard deviation? b) If every score in the population were multiplied by 2, then what would be the new values for the mean and standard deviation?

  • We have a normally distributed population of scores with μ = 25 and σ = 5....

    We have a normally distributed population of scores with μ = 25 and σ = 5. We have drawn a large number of random samples with a particular sample size of n = 10 from this population. We want to know what the probability that a sample mean will be equal to or greater than 23. First, what is the z-score for our sample mean of interest, 23? Using this z-score , use statistics table to answer the question "What...

  • 3. A sample of n = 9 scores has a mean of x̄ =13. After one...

    3. A sample of n = 9 scores has a mean of x̄ =13. After one score is added to the sample, the mean is found to be x̄ =12. What is the value of the score that was added?

  • 1) The population of SAT scores is normal with μ = 500 and σ = 100....

    1) The population of SAT scores is normal with μ = 500 and σ = 100. If you get a sample of n = 25 students, what is the probability that the sample mean will be greater than M=540? Be sure to draw out your distribution and clearly indicate where the score falls within the distribution. Also shade in the area in question. 2) For a given μ = 80 and σ = 25. If you get a sample of...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT