We use the sample standard deviation s to estimate for the population standard deviation \sigma. Then...
We use the sample standard deviation s to estimate for the population standard deviation \sigma. Then s is is properly called the
Select one:
a. margin of error
b. critical value
c. level of confidence
d. estimator
e. None of other answers is necessary true.
Homework Answers
Ans:
Option d is correct.
estimator
We use sample standard deviation,s to estimate the population standard deviation,so s is called estimator.
Add Answer to:
We use the sample standard deviation s to estimate for the
population standard deviation \sigma. Then...
A confidence interval for the population proportion p is given as 0.6 ± 0.03. The value...
A confidence interval for the population proportion p is given as 0.6 ± 0.03. The value 0.03 is properly called the Select one: a. estimator b. point estimate c. critical value d. margin of error e. None of other answers is necessary true.
Consider a population having a standard deviation equal to 9.96. We wish to estimate the mean...
Consider a population having a standard deviation equal to 9.96. We wish to estimate the mean of this population. (a) How large a random sample is needed to construct a 95% confidence interval for the mean of this population with a margin of error equal to 1? (Round your answer to the next whole number.) The random sample is units. (b) Suppose that we now take a random sample of the size we have determined in part a. If we...
2. A population is known to have a standard deviation of 26.1. A sample space of...
2. A population is known to have a standard deviation of 26.1. A sample space of 35 items has a mean of (1 point) 562. Construct a 90% confidence interval estimate of the mean of the population. 0566<p<558 0555<pバ569 O 551<H573 0561<p<563 3. While researching the cost of school lunches per week across the state, you use a sample size of 45(point) weekly lunch prices. The standard deviation is known to be 68 cents. In order to be 90% confident,...
A population has standard deviation - 17.3. Part 1 of 2 (a) How large a sample...
A population has standard deviation - 17.3. Part 1 of 2 (a) How large a sample must be drawn so that a 99.9% confidence interval for ji will have a margin of error equal to 3.7? Round the answer up to the nearest integer. (Round the critical value to no less than three decimal places.) A sample size of is needed to be drawn in order to obtain a 99.9% confidence interval with a margin of error equal to 3.7....
A sample mean, sample size, population standard deviation, and confidence level are provided. Use this information...
A sample mean, sample size, population standard deviation, and confidence level are provided. Use this information to complete parts (a) through (c) x = 33, n = 25, C = 6, confidence level = 90% Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table a. Use the one-mean z-interval procedure to find a confidence interval for the mean of the population from which the sample...
6. A sample of size n- 200 has a known population standard deviation of 15.0. The...
6. A sample of size n- 200 has a known population standard deviation of 15.0. The population appears to be skewed. Determine whether a margin of error should be calculated using a critical value of za, a critical value of ta/2, or neither. Oa critical value of ta2 O a critical value of za O neither 7. The mean of a sample size n 35 is 1860. The standard deviation of the sample is 102 and the population is normally...
A population has standard deviation 17.9 . Part 1 of 2 (a) How large a sample...
A population has standard deviation 17.9 . Part 1 of 2 (a) How large a sample must be drawn so that a 99.8% confidence interval for mew will have a margin of error equal to 4.8 Round the critical value to no less than three decimal places. Round the sample size up to the nearest integer. A sample size of ____ is needed to be drawn in order to obtain a 99.8% confidence interval with a margin of error equal...
Assume that a sample is used to estimate a population mean . Use the given confidence...
Assume that a sample is used to estimate a population mean . Use
the given confidence level and sample data to find the margin of
error. Assume that the sample is a simple random sample and the
population has a normal distribution. Round your answer to one more
decimal place than the sample standard deviation. (please show
work)
95% confidence; n = 51; X = 97; s = 202
To estimate the mean of a normal population whose standard deviation is 36, with a margin...
To estimate the mean of a normal population whose standard deviation is 36, with a margin of error equal to 3 and confidence level 95% requires a sample size of at least (report your answer in integers)
For the provided sample mean, sample size, and population standard deviation, complete parts (a) through (c)...
For the provided sample mean, sample size, and population standard deviation, complete parts (a) through (c) below. Assume that x is normally distributed x= 27, n=9, 0 = 6 a. Find a 95% confidence interval for the population mean The 95% confidence interval is from to (Round to two decimal places as needed.) b. Identify and interpret the margin of error. The margin of error is (Round to two decimal places as needed.) Interpret the margin of error. Choose the...
Consider a population having a standard deviation equal to 9.96. We wish to estimate the mean of this population. (a) How large a random sample is needed to construct a 95% confidence interval for the mean of this population with a margin of error equal to 1? (Round your answer to the next whole number.) The random sample is units. (b) Suppose that we now take a random sample of the size we have determined in part a. If we...
2. A population is known to have a standard deviation of 26.1. A sample space of 35 items has a mean of (1 point) 562. Construct a 90% confidence interval estimate of the mean of the population. 0566<p<558 0555<pバ569 O 551<H573 0561<p<563 3. While researching the cost of school lunches per week across the state, you use a sample size of 45(point) weekly lunch prices. The standard deviation is known to be 68 cents. In order to be 90% confident,...
A population has standard deviation - 17.3. Part 1 of 2 (a) How large a sample must be drawn so that a 99.9% confidence interval for ji will have a margin of error equal to 3.7? Round the answer up to the nearest integer. (Round the critical value to no less than three decimal places.) A sample size of is needed to be drawn in order to obtain a 99.9% confidence interval with a margin of error equal to 3.7....
A sample mean, sample size, population standard deviation, and confidence level are provided. Use this information to complete parts (a) through (c) x = 33, n = 25, C = 6, confidence level = 90% Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table a. Use the one-mean z-interval procedure to find a confidence interval for the mean of the population from which the sample...
6. A sample of size n- 200 has a known population standard deviation of 15.0. The population appears to be skewed. Determine whether a margin of error should be calculated using a critical value of za, a critical value of ta/2, or neither. Oa critical value of ta2 O a critical value of za O neither 7. The mean of a sample size n 35 is 1860. The standard deviation of the sample is 102 and the population is normally...
Assume that a sample is used to estimate a population mean . Use
the given confidence level and sample data to find the margin of
error. Assume that the sample is a simple random sample and the
population has a normal distribution. Round your answer to one more
decimal place than the sample standard deviation. (please show
work)
95% confidence; n = 51; X = 97; s = 202
To estimate the mean of a normal population whose standard deviation is 36, with a margin of error equal to 3 and confidence level 95% requires a sample size of at least (report your answer in integers)
For the provided sample mean, sample size, and population standard deviation, complete parts (a) through (c) below. Assume that x is normally distributed x= 27, n=9, 0 = 6 a. Find a 95% confidence interval for the population mean The 95% confidence interval is from to (Round to two decimal places as needed.) b. Identify and interpret the margin of error. The margin of error is (Round to two decimal places as needed.) Interpret the margin of error. Choose the...
Most questions answered within 3 hours.
-
Synthesis of fructose-2,6-bisphosphate is catalyzed by a
bifunctional enzyme that contains two catalytic domains: PFK2
(kinase...
asked 13 minutes ago -
observation
initial burst volume
total volume titrated to reach end point
what happened to the rise...
asked 15 minutes ago -
Let x1, x2,x3,and x4 be a random sample from
population with normal distribution with mean ?...
asked 29 minutes ago -
A string of mass m and length L is under tension T. The speed of
a...
asked 34 minutes ago -
Look at the descriptions of high sensation seekers in your book.
They look like they would...
asked 35 minutes ago -
Write a method called is1to1 that accepts a map whose keys and
values are strings as...
asked 35 minutes ago -
In a study of self-medication, a simple random sample of 1230
adults completed a survey. The...
asked 45 minutes ago -
You ride a bicycle around on a circular track while
accelerating. The circle has a radius...
asked 43 minutes ago -
I am looking help with these 5 Questions, can you help me,
please
1) Ruth Hu...
asked 50 minutes ago -
Find the center of mass of the Eath-moon
system given:
Radius of Earth = 6.37x10^6
Radius...
asked 1 hour ago -
Using the definition and measurement of GDP as a guide,
evaluate how the use of fiscal...
asked 54 minutes ago -
An overly optimistic sales budget may result in
a. increases in selling prices late in the...
asked 53 minutes ago