ZuoTi.Pro
Question

A population is slightly skewed to the left, has a mean of 50 and a standard...

A population is slightly skewed to the left, has a mean of 50 and a standard deviation of 7. If a random sample of 28 items are selected from this population, then the mean score of these 28 items is from a sampling distribution that has a standard deviation of ...

math   Statistics-And-Probability   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

0 0
Add a comment
Know the answer?
Add Answer to:
A population is slightly skewed to the left, has a mean of 50 and a standard...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

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

  • a population is slightly skewed to the right has a mean of 77 and a standard...

    a population is slightly skewed to the right has a mean of 77 and a standard deviation of 12. If a random sample of 28 items are selected from this population, then the mean score of these 28 items is from a sampling distribution that jas a mean of...? a population is slightly skewed to the left has a 56 and a standard deviation of 8. If a random sample of 32 items are selected from this population, then the...

  • A large population has a mean of 400, a standard deviation of 50, and is skewed...

    A large population has a mean of 400, a standard deviation of 50, and is skewed right. For samples of size n=100 obtained from this population, the sampling distribution of the sample means has mean fe and standard deviation 0. Which of the following sets of graphs correctly display the population distribution and the sampling distribution of the sample means of size 100? Please note that the x-axis values differ within and across the options. A) Population Distribution Sampling Distribution...

  • A random sample of size 36 is taken from a population with a mean of 50...

    A random sample of size 36 is taken from a population with a mean of 50 and a standard deviation of 5. The sampling distribution of ________. A. cannot be determined B. is skewed to the right C. is skewed to the left D. is approximately normal

  • A population data set is right-skewed and has a mean of 100 and a standard deviation...

    A population data set is right-skewed and has a mean of 100 and a standard deviation of 5. Which of the following is true regarding the sampling distribution of the mean for a sample size of 1,000? Select one: It's standard deviation is 5. It's shape is right-skewed It's standard deviation is 0.158. It's mean is 10.

  • Question 3 (0.5 points) A random variable X has a left-skewed distribution with mean of 50...

    Question 3 (0.5 points) A random variable X has a left-skewed distribution with mean of 50 and standard deviation of 5. Suppose we take a simple random sample of size 6 from the population above. Can we calculate the probability that the sample mean is between 45 and 60? (You do not need to actually calculate the probability for this question.) Yes, and the calculated probability would be exact. Yes, and the calculated probability would be approximate. No.

  • Questions 23-30: A normal population has a mean μ = 50 and a standard deviation σ...

    Questions 23-30: A normal population has a mean μ = 50 and a standard deviation σ = 8. That is, ?~?(50,8). Circle your final answer for each question below. 23. What is the z-score for an individual with a value of 38? 24. What is the probability that a randomly chosen individual from this population will be greater than 40? 25. What is the probability that a randomly chosen individual from this population will be between 44 and 60? 26....

  • A population has a mean of 200 and a standard deviation of 50.Suppose a random...

    A population has a mean of 200 and a standard deviation of 50. Suppose a random sample of 100 people is selected from this population. What is the probability that the sample mean will be within +/- 5 of the population mean? Hint: use the z-score.

  • A random sample of size 36 is to be selected from a population that has a mean μ = 50 and a standard deviation σ of 10

    A random sample of size 36 is to be selected from a population that has a mean μ = 50 and a standard deviation σ of 10.    * a. This sample of 36 has a mean value of , which belongs to a sampling distribution. Find the shape of this sampling distribution.    * b. Find the mean of this sampling distribution.    * c. Find the standard error of this sampling distribution.    * d. What is the...

  • For a population that is left skewed with a mean of 29 and a standard deviation...

    For a population that is left skewed with a mean of 29 and a standard deviation equal to 16 determine the probability of observing a sample mean of 27 or more from a sample of size 38 What is the probability of observing a sample mean of 27 or more from a sample of size 38​? (Px≥27) = ​(Round to four decimal places as​ needed.)

  • The original population is severely left-skewed. The sampling distribution of sample mean is A. right-skewed for...

    The original population is severely left-skewed. The sampling distribution of sample mean is A. right-skewed for a sample size of 20 B. left-skewed for a sample size of 20. C. skewed for a sample size of 10 D. approximately normal for a sample size of 100

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