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What is the standard error for the following proportion sample size of 25 and?

To calculate the standard error for a proportion, you can use the formula: [ SE = \sqrt{\frac{p(1 - p)}{n}} ] where (p) is the sample proportion and (n) is the sample size. If the proportion is not given in your question, you'll need to specify a value for (p) to compute the standard error. For a sample size of 25, substitute that value into the formula along with the specific proportion to find the standard error.


Consider a random sample of size 45 from a population with proportion 0.30 find the standard error of the distribution of sample proportions?

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Why does the standard error of the mean decrease as the sample size n increases?

The standard error of the mean decreases as the sample size ( n ) increases because it is calculated as the standard deviation of the population divided by the square root of the sample size (( SE = \frac{\sigma}{\sqrt{n}} )). As ( n ) increases, the denominator grows larger, leading to a smaller standard error. This reflects the idea that larger samples provide more accurate estimates of the population mean, reducing variability in the sample means. Consequently, with larger samples, we can expect more precise estimates of the true population mean.


The purpose and function of standard error of measurement?

the purpose and function of standard error of mean


When evaluating numerical data from a research project or study the standard error reveals?

The standard error indicates the level of variability or uncertainty associated with sample estimates of a population parameter. It reflects how much sample means are expected to fluctuate from the true population mean, providing insight into the reliability of the sample data. A smaller standard error suggests more precise estimates, while a larger standard error indicates greater uncertainty. Ultimately, it helps researchers assess the accuracy of their findings and the potential for generalization to the broader population.

Related Questions

How does sample size affect the size of your standard error?

The standard error should decrease as the sample size increases. For larger samples, the standard error is inversely proportional to the square root of the sample size.The standard error should decrease as the sample size increases. For larger samples, the standard error is inversely proportional to the square root of the sample size.The standard error should decrease as the sample size increases. For larger samples, the standard error is inversely proportional to the square root of the sample size.The standard error should decrease as the sample size increases. For larger samples, the standard error is inversely proportional to the square root of the sample size.


Why does margin of error increases while level of confidence increases?

The margin of error increases as the level of confidence increases because the larger the expected proportion of intervals that will contain the parameter, the larger the margin of error.


Consider a random sample of size 45 from a population with proportion 0.30 find the standard error of the distribution of sample proportions?

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What is the standard error of the proportion of females if a random sample of 150 people was taken from a very large population and ninety of the people in the sample were females?

0.0016


Difference between standard error and sampling error?

Standard error is random error, represented by a standard deviation. Sampling error is systematic error, represented by a bias in the mean.


In an opinion poll 25 percent of a random sample of 200 people said that they were strongly opposed to having a state lottery what is the standard error of the sample proportion?

It is 6.1, approx.


What is the relationship of the standard error of the mean to the standard error of the difference?

It would help to know the standard error of the difference between what elements.


What is the standard error for the following proportion sample size of 25 and 20 of the respondents said yes?

standard error for proportion is calculated as: SE = sqrt [(p)(1-p) / n ] so let us say that "p" is going to represent the decimal proportion of respondents who said YES.... so... p = 20/25 = 4/5 = 0.8 And... we then are going to say that the complement of "p" which is "1-p" is going to represent the decimal proportion of respondents who said NO ... so... 1-p = 1 - 0.8 = 0.2 Lastly, the "n" in the formula for standard error is equal to 25 because "n" represents the sample size.... So now all you have to do is plug the values you found for "p" and for "1-p"... (remember "p = 0.8" and "1-p = 0.2")... and "n=25".... Standard Error (SE) = sqrt [(p)(1-p) / n ] ............................ = sqrt [(0.8)(1-0.8) / 25 ] ............................ = sqrt [(0.8)(0.2) / 25 ] ............................ = sqrt [0.16 / 25] ............................ = sqrt (0.0064) ............................ = +/- 0.08


Is accuracy or precision related to standard error?

Standard error is a measure of precision.


Why is standard deviation of a statistic called standard error?

The standard error is the standard deviation divided by the square root of the sample size.


Describe how the sample size affects the standard error?

Standard error (which is the standard deviation of the distribution of sample means), defined as σ/√n, n being the sample size, decreases as the sample size n increases. And vice-versa, as the sample size gets smaller, standard error goes up. The law of large numbers applies here, the larger the sample is, the better it will reflect that particular population.


The purpose and function of standard error of measurement?

the purpose and function of standard error of mean