Explain the difference between the standard error of a sample proportion and the margin of error...

Explain the difference between the standard error of a sample proportion and the margin of error of a confidence interval for a population proportion.

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orchestra answered 2 years ago

What is the difference between the standard deviation and the standard error? Is the standard error...

What is the difference between the standard deviation and the standard error? Is the standard error a standard deviation?

For each combination of sample size and sample proportion, find the approximate margin of error for...

For each combination of sample size and sample proportion, find the approximate margin of error for the 95% confidence level. (Round the answers to three decimal places.) (a) n = 200, p̂ = 0.53. (b) n = 500, p̂ = 0.53. (c) n = 500, p̂ = 0.30. (d) n = 500, p̂ = 0.60. (e) n = 800, p̂ = 0.50. Suppose that in a random sample of 450 employed Americans, there are 57 individuals who say that they...

Describe the difference between standard deviation and standard error.

Find the minimum sample size required to estimate a population proportion with a margin of error...

Find the minimum sample size required to estimate a population proportion with a margin of error equal to .04 and a confidence level of 90%. A recent study resulted in a sample proportion of .70. Also determine the minimum sample size if no prior study was done.

find the sample size needed to give a margin of error to estimate a proportion within...

find the sample size needed to give a margin of error to estimate a proportion within plus minus 2% within 99% confidence within 95% confidence within 90% confidence assume no prior knowledge about the population proportion p

1. a. What is the formula for standard error of a distribution of a sample proportion...

1. a. What is the formula for standard error of a distribution of a sample proportion (sampling distribution of proportions)? b. A distribution of a sample proportion (sampling distribution of proportions) is approximately normal if what 2 conditions are met? c. What is the formula for standard error that is used to compute a confidence interval for a proportion? d. What is the formula for standard error that is used to compute a test statistic for a proportion in a...

Difference between Means, Sample size selection. Explain Confidence Interval for a Mean, Total, Proportion, Standard Deviation....

Difference between Means, Sample size selection. Explain Confidence Interval for a Mean, Total, Proportion, Standard Deviation. Methods of Selecting Random Samples.

What is the difference between reporting an estimate of mu using a margin of error versus...

What is the difference between reporting an estimate of mu using a margin of error versus using a confidence interval?

In a short paragraph, distinguish between Sampling Error and the Margin of Error. Explain what each...

In a short paragraph, distinguish between Sampling Error and the Margin of Error. Explain what each represents and the relationship between them. (3 points) In a short paragraph, distinguish between a Point Estimate and an Interval Estimate. Explain what each represents and the relationship between them. (3 points) TYPED ONLY PLEASE!!!!

Differentiating pooled variance and the estimated standard error of the difference in sample means

Differentiating pooled variance and the estimated standard error of the difference in sample means For the independent-measures t test, which of the following describes the pooled variance (whose symbol is sp2 )? The difference between the standard deviations of the two samples The variance across all the data values when both samples are pooled together A weighted average of the two sample variances (weighted by the sample sizes) An estimate of the standard distance between the difference in sample means (M1 - M2) and the...

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