The standarderror of the mean:
A. is never larger than the standard deviation of the population
B. decreases as the sample size increases
C. measures the varability of the mean from sample to sample
D. All of the above
1. The mean television viewing time for teens is 3 hours per day. Assume the populationmean is 3 and the populationstandard deviation is known to be 1.2 hours. Suppose a sample of 50 teens will be used to monitor television viewing time.
a) What is the standarderror of the sampling mean?
b) What is the probability the s
True or False: (please show me why)
A simple random sample of 100 observations was taken from a large population and the sample mean and the standard deviation were determined to be 80 and 12 respectively. The standarderror of the mean is 0.12.
Samples of size 2 will be drawn at random from a population with µ=2.5 and σ =1.118.
Calculate the mean and the standarderror of the sampling distribution of the sample means. Also, find the mean and standarderror of the sampling distribution for samples of size 5.
What happens to the standarderror as the sample siz
Question: Suppose N = 80000, n = 16000 and s = 50.
a. Compute the standarderror of the sample mean using the finite population correction factor.
b. Repeat part a assuming n= 32000.
c. Repeat part a assuming n = 80000.
d. Compare parts a, b and c, and describe what happens to the standarderror of the sample mean as n i
For a particular population, a sample of n=4 scores has a standard deviation error of 6. for the same population a sample of n=16 scores have a standarderror of
A sample of n=16 scores has a standard deviation of 4. what is the standard deviation of the population from which the sample is obtained.
For a population with u=80 and o=20, the distribution of sample means based on n=16 will have expected value of _____ and a standarderror of ____.
* 80; 1.25 (this is the one i had chosen at 1st?)
* 80; 5
* 5; 80
* 20; 20
Samples of n=16 scores are selected from a population. If the distribution of sample means has an e