A simple random sample of size 64 is taken from a population of size 800. The...
A simple random sample of size 64 is taken from a population of size 800. The sample mean is determined to be 2,550 with a standard deviation of 500. An estimate of the standard error of the mean (for the total) is: Correct answer = 47,958.32. Please show me the calculation.
Homework Answers
Add Answer to:
A simple random sample of size 64 is taken from a population of
size 800. The...
A simple random sample of 64 observations was taken from a large population. The sample mean...
A simple random sample of 64 observations was taken from a large population. The sample mean and the standard deviation were determined to be 70 and 12 respectively. The standard error of the mean is . . . (hint: enter the answer with one decimal place)
QUESTION 16 5 points A simple random sample of 64 observations was taken from a large...
QUESTION 16 5 points A simple random sample of 64 observations was taken from a large population. The sample mean and the standard deviation were determined to be 320 and 120 respectively. The standard error of the mean is .1.875 .15 0.5 0.40
A simple random sample of size 64 is drawn from a normal population with a known...
A simple random sample of size 64 is drawn from a normal population with a known standard deviation σ. The 95% confidence interval for the population mean μ is found to be (12, 16). The approximate population standard deviation σ is:
A simple random sample of 81 observations was taken from a large population. The sample mean...
A simple random sample of 81 observations was taken from a large population. The sample mean and the sample standard deviation were determined to be 165 and 225 respectively. The standard error of the mean is
Suppose a random sample of size 64 is selected from a population. The sample yields a...
Suppose a random sample of size 64 is selected from a population. The sample yields a mean of 26 and a standard deviation of 4. From this information, the 90% confidence interval to estimate the population mean can be computed to be _______.
Suppose that a simple random sample is taken from a normal population having a standard deviation...
Suppose that a simple random sample is taken from a normal population having a standard deviation of 15 for the purpose of obtaining a 95% confidence interval for the mean of the population. a. If the sample size is 44, obtain the margin of error. b. Repeat part (a) for a sample size of 25
answer a & b please Suppose that a simple random sample is taken from a normal...
answer a & b please
Suppose that a simple random sample is taken from a normal population having a standard deviation of 15 for the purpose of obtaining a 95% confidence interval for the mean of the population. a. If the sample size is 9, obtain the margin of error. b. Repeat part (a) for a sample size of 16. a. The margin of error for a sample size of 9 is □ (Round to two decimal places as needed.)
Suppose that a simple random sample is taken from a normal population having a standard deviation...
Suppose that a simple random sample is taken from a normal population having a standard deviation of 11 for the purpose of obtaining a 95% confidence interval for the mean of the population. a. If the sample size is 16, obtain the margin of error. b. Repeat part (a) for a sample size of 81. a. The margin of error for a sample size of 16 is ??? (Round to two decimal places as needed.) b. The margin of error...
A simple random sample of 31 observations was taken from a large population. The sample mean...
A simple random sample of 31 observations was taken from a large population. The sample mean equals 5. Five is a population parameter. standard error. point estimate. population mean.
Suppose that a simple random sample is taken from a normal population having a standard deviation...
Suppose that a simple random sample is taken from a normal population having a standard deviation of 6 for the purpose of obtaining a 90% confidence interval for the mean of the population. The margin of error for a sample size of 16 is ??? (Round to four decimal places as needed.) The margin of error for a sample size of 81 is ??? (Round to four decimal places as needed.)
QUESTION 16 5 points A simple random sample of 64 observations was taken from a large population. The sample mean and the standard deviation were determined to be 320 and 120 respectively. The standard error of the mean is .1.875 .15 0.5 0.40
answer a & b please
Suppose that a simple random sample is taken from a normal population having a standard deviation of 15 for the purpose of obtaining a 95% confidence interval for the mean of the population. a. If the sample size is 9, obtain the margin of error. b. Repeat part (a) for a sample size of 16. a. The margin of error for a sample size of 9 is □ (Round to two decimal places as needed.)
Most questions answered within 3 hours.
-
A 50g ice cube is taken out of a freezer at 0 degrees Celsius
and put...
asked 37 minutes ago -
How do ratios help you determine trends? What specific
information do managers look at? Is there...
asked 40 minutes ago -
A wavelength of 514 nm is used to find an unknown diffraction
grating. If the separation...
asked 43 minutes ago -
Use the central limit theorem to find the mean and standard
error of the mean of...
asked 49 minutes ago -
You will be given a file that will contain averages for classes
which are divided into...
asked 57 minutes ago -
A Pew Research Center poll surveyed a random sample 850 voters
and asked them if they...
asked 1 hour ago -
Design a class named
NumDays, to
store a value that represents a number of hours and...
asked 1 hour ago -
(R)-2-chloro-(S)-3-bromobutane and
(S)-2-chloro-(S)-3-bromobutane are: A. enantiomers. B.
diastereomers. C. meso compounds. D. the same molecule.
asked 1 hour ago -
1_ What is the Frank-Starling law of the heart? And why the
heart cannot function on...
asked 1 hour ago -
The method of tree ring dating gave the following years A.D. for
an archaeological excavation site....
asked 1 hour ago -
Calculate (in N) the force a mother must exert to hold her 12.0
kg child in...
asked 1 hour ago -
A new lie-detector test has been devised and must be tested
before it is put into...
asked 1 hour ago