Questions LLC
Login
or
Sign Up
Ask a New Question
Questions
Science
What is a standard for comparison, a sample you are not experimenting on?
1 answer
There must be several words. The one that comes to mind for me is "known."
You can
ask a new question
or
answer this question
.
Similar Questions
Which of the following statements about the two sample sizes is NOT true? Assume thepopulation standard deviations are equal
A.
Top answer:
To determine which statement is not true, we need to compare the sample sizes provided in each
Read more.
For a random sample of 10 men, the mean head circumference is x = 57.3 cm and the sample standard deviation is s = 2 cm. The
Top answer:
2/sqrt(10) = 0.632 It is explained here: http://en.wikipedia.org/wiki/Standard_error_(statistics)
Read more.
sample standard deviation = 3
sample mean = 68 n=30 what is the probability that one student selected at random from the sample
Top answer:
mean ± 1 SD = 68.26% This is true for any normal distribution. Is there something you are not
Read more.
Forensic scientists use the process of comparison to determine if what is TRUE?
A. a suspect sample and a known sample match B. a
Top answer:
A. a suspect sample and a known sample match
Read more.
A simple random sample will be obtained from a normally distributed population. Find the minimum sample size needed to be 99%
Top answer:
To find the minimum sample size needed to be 99% confident that the sample standard deviation is
Read more.
The standard deviation of a sample taken from population A is 17.6 for a sample of 25. The standard deviation of a sample taken
Top answer:
actually both answers are still wrong but i hope this elimination of answers helps
Read more.
A population has a mean of 200 and a standard deviation of 50. A simple random sample
of size 100 will be taken and the sample
Top answer:
a. To find the expected value (mean) of the sample mean, we can use the formula: Expected value of
Read more.
A population has a mean of 200 and a standard deviation of 50. A simple random sample of size 100 will be taken and the sample
Top answer:
a. The expected value (mean) of the sample mean is equal to the population mean, which is 200. This
Read more.
A sample of 40 observations is selected from one approximately normal population. The sample mean is 102 and the sample standard
Top answer:
I'll give you a few hints. Try a two-sample z-test on this data since the sample sizes are fairly
Read more.
A sample of 40 observations is selected from one approximately normal population. The sample mean is 102 and the sample standard
Top answer:
Z = (mean1 - mean2)/standard error (SE) of difference between means SEdiff = √(SEmean1^2 +
Read more.
Related Questions
A simple random sample of 40 items resulted in a sample mean of 25. The population standard deviation is 5.
a. What is the
scores on a nationwide professional qualifying exam, have a mean of 600 and a standard deviation of 50.A random sample of 100
from a normally distributed infinite number of iron bars lengths with a mean and standard deviation as 4 ft. and 0.6 ft.
The Bridge at Argenteuil
by Claude Monet Courtesy National Gallery of Art, Washington Question How did the artist create
A sample of 100 iron bars is said to be drawn from a large number of bars whose lengths are normally distributed with mean 4
Private Colleges:
Sample mean = 42.7 sample standard deviation = 6.91 n = 10 51.8 44.2 46.0 32.3 43.0 31.6 45.8 38.8 51.5 42.0
Check my answers please!
Thanks a lot. Five students reported that the previous night they slept: 7,8,7,10,9 hours. Calculate the
data from sample of 400 cases, variable has 95% confidence interval of 54.3 to 54.7
I found the mean- how do i find standard
True or False
The mean for a sample of n = 4 scores has a standard error of 5 points. This sample was selected from a population
Standard error:
Is always the standard deviation divided by the square root of n. Is a measure of the variability of a sample