Find and , the mean and standard deviation of the
sampling distribution of :
μ = 25, σ = 5, n = 10.
A. |
= 25, = 1.58 |
|
B. |
= 25, = 0.5 |
|
C. |
= 2.5, = 0.5 |
|
D. |
= 7.91, = 1.58 |
Find and , the mean and standard deviation of the sampling distribution of : μ = 25,...
Find the standard deviation of the sampling distribution of sample means if μ = 582.0, σ = 23.6, and n = 1201. Possible Answers: A. 23.6 B. 0.68 C. 0.02 D. 1.14
A random sample is selected from a population with mean μ = 102 and standard deviation σ = 10. Determine the mean and standard deviation of the xbar sampling distribution for each of the following sample sizes. (Round the answers to three decimal places.) (a) n = 15 μ = σ = (b) n = 35 μ = σ = (c) n = 55 μ = σ = (d) n = 110 μ = σ = (e) n = 440...
A population has a mean μ=73 and a standard deviation σ=24. Find the mean and standard deviation of a sampling distribution of sample means with sample size n=64.
A population has a mean μ=87 and a standard deviation σ=30. Find the mean and standard deviation of a sampling distribution of sample means with sample size n=249. μx= ?????
A population has a mean μ=71 and a standard deviation σ=27. Find the mean and standard deviation of a sampling distribution of sample means with sample size n=81. μx=_____ (Simplify your answer.)
What you have Distribution of X. Find the mean and standard deviation of Sampling Distribution. To do this, click on: c STAT → BASIC STATISTICS → DISPLAY DESCRIPT STATISTICS On the input screen that appears, select C3 for the Variable. The results will be in the Session Window. Wait until after to print the Session Window.) a. How does the mean of C3 (x) compare to the mean of the original population, μ? Recall that the mean of the original...
For each of the following, find the mean and standard deviation of the sampling distribution of the sample mean. State if the sampling distribution is normal, approximately normal, or unknown. a. The population is skewed right with a mean of 4 and a standard deviation of 6. Many samples of size 100 are taken. b. The population is normal with a mean of 61 and a standard deviation of 9. Many samples of size 900 are taken. c. The population...
Find the standard deviation of the sampling distribution of sample means using the given information. Round to one decimal place, if necessary. μ=74 and σ=14; n=25
FIU 3721 Prove that the standard deviation of the sampling distribution of a group with n samples, randomly selected from a population with mean μ and standard deviation σ is σ/sqrt(n) 3.
Consider a normal distribution with mean 25 and standard deviation 5. What is the probability a value selected at random from this distribution is greater than 25? (Round your answer to two decimal places.) Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.) μ = 14.9; σ = 3.5 P(10 ≤ x ≤ 26) = Need Help? Read It Assume that x has a...