Question

A population consists of the following N=3 scores: 0,4,12. a. Compute µ and σ for the...

A population consists of the following N=3 scores: 0,4,12. a. Compute µ and σ for the population. b. Find the z-score for each score in the population. c. Transform the original population into a new population of N = 5 scores with a mean of µ = 50 and a standard deviation of σ = 10?

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
3. A population of scores has µ = 44. In this population, a score of X...
3. A population of scores has µ = 44. In this population, a score of X = 40 corresponds to z = –0.50. What is the population standard deviation?​ a. 2​ b. ​4 c. ​8 d. ​-8 4. Last week Tim got a score of X = 54 on a math exam with µ = 60 and σ = 8. He also got X = 49 on an English exam with µ = 55 and σ = 3, and he...
A distribution with a mean of µ = 73 and a standard deviation of σ =...
A distribution with a mean of µ = 73 and a standard deviation of σ = 8 is being transformed into a standardized distribution of µ = 100 and σ = 16. Find the new, standardized score for each of the following values from the original population (plot each point on a graph): a. X = 80 b. X = 70 c. X = 65 d. X = 87
Suppose we know that examination scores have a population standard deviation of σ = 25. A...
Suppose we know that examination scores have a population standard deviation of σ = 25. A random sample of n = 400 students is taken and the average examination score in that sample is 75. Find a 95% and 99% confidence interval estimate of the population mean µ.
a population of scores with μ=73 and σ=6 is standardized to create a new population with...
a population of scores with μ=73 and σ=6 is standardized to create a new population with μ=50 and σ=10. What is the new value for each of the following scores from the original population ? scores: 67,70,79,82
8. A random sample is obtained from a normal population with a mean of µ =...
8. A random sample is obtained from a normal population with a mean of µ = 80 and a standard deviation of σ = 8. Which of the following outcomes is more likely? Explain your answer.           A. A sample mean greater than 86 for a sample of n = 4 scores.           B. A sample mean greater than 84 for a sample of n = 16 scores. 9. The distribution of SAT scores is normal with a mean of...
For a population with a mean of μ = 26 and a standard deviation of σ...
For a population with a mean of μ = 26 and a standard deviation of σ = 14, find the z-score corresponding to M = 26 for a sample of n = 4 scores.
Q scores have a normal distribution with µ = 90 and σ = 10. a) Find...
Q scores have a normal distribution with µ = 90 and σ = 10. a) Find the probability for a score over 100. b) Find the score needed for the top 5%
A sample of n = 4 scores is selected from a normal population with a mean...
A sample of n = 4 scores is selected from a normal population with a mean of µ = 50 and a standard deviation of σ = 20. What is the probability of obtaining a sample mean greater than M = 48?
For the following sample of n =8 scores: 0, 1, 1/2, 0, 3, 1/2 , 0,...
For the following sample of n =8 scores: 0, 1, 1/2, 0, 3, 1/2 , 0, 1 a. Simplify the arithmetic by first multiplying each score by 2 to obtain a new sample. Then, compute the mean and standard deviation for the new sample. b. Starting with the values you obtained in part a, make the correction for having multiplied by 2 to obtain the values for the mean and standard deviation for the original sample
***Just need question c answered *** 1. Use the following raw data to answer parts a...
***Just need question c answered *** 1. Use the following raw data to answer parts a and b of this question: Xi: 3, 7, 14, 6, 17, 8, 10, 5 a. Calculate the mean, standard deviation, and variance for the above set of scores. Assume that the eight scores represent an entire population, and further assume that the scores are normally distributed. b. Calculate the Z-score associated with each raw score. c. Find the percentile scores which correspond to percentile...