Define standard error of the mean

Assignment Help Basic Statistics
Reference no: EM1395173

Why is the population shape of concern when estimating a mean? What does sample size have to do with it? Explain

Define the standard error of the mean. What happens to the standard error as the sample size increases? Explain

Reference no: EM1395173

Questions Cloud

Diameter of stabilizing o-rings washers : The diameter of stabilizing O-Rings washers manaufactured at a large factory is expected to be normally distributed with a mean of 1.30 inches and a standard deviation of 0.04 inches.
Explain sontag regarding dilemma of contemporary women : Consider extent to which you agree (or disagree) with Sontag regarding about plight of contemporary women with respect to beauty. To what extent are men liable for women's obsession with beauty?
Standard deviation distribution-consumption of chicken : Suppose the annual consumption of chicken mean is 20.84 pounds per person and that the standard deviation for the consumption of chicken per person is 9.193 pounds.
Probability that an employee of the company is married : Of the 900 employees, 590 had college degrees, 120 were single, and 80 were single college graduates. Find the probability that an employee of the company is married and has a college degree.
Define standard error of the mean : Define the standard error of the mean. What happens to the standard error as the sample size increases? Explain
Determine probability for short, straight hair offspring : In alpacas, short hair is dominant over long hair, and curly hair is dominant over straight hair. If two alpacas are both heterozygous for hair length and hair texture,
Feminism in u.s. history : Feminism in U.S. History- Feminism has played an important role in U.S. history. After several campaigns, which were lead by many female pioneers such as, Elizabeth Cady Stanton and Susan B. Anthony,
Explain effective essay comprises developing the outline : Write the effective essay involves developing the outline, planning topic sentences, and recognizing supporting points. How will you use these three concepts
Test the claim of the brewery about the mean volume : Test the claim of the brewery about the mean volume equal to 32 oz. at the 0.05 significance level. It's your choice whether to use z or t.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Purpose of the chi-square test for independence

Explain the purpose of the chi-square test for independence. Provide some practical examples where this test might be used in business.

  Multiple linear regression equation

Below you are given a partial computer output based on a sample of 16 observations.

  Calculating taxable income

Madison Metals recently reported $9,000 of sales, $6,000 of operating costs other than depreciation, and $1,500 of depreciation. The company had no amortization charges and no non-operating income.

  Explaining measures of dispersion

Within distribution of scores, measures of dispersion give an indication of?

  Score on the standardized test

A researcher believes that if she uses a different text the students will score differently on the standardized test but she doesn't know what the difference is. The test had a mean of 110 and a σ of 12.

  Confidence interval for the rate of effectiveness

Without constructing the 98% confidence interval for the rate of effectiveness, would you expect the interval to be longer or shorter compared to the 95% confidence interval? Why?

  Values symmetrically distributed around the mean

Normal distribution of 5 pounds per square inch, standard deviation of 1.5 pounds per square inch, what proportion have less that 3.17 pounds per square inch, at least 3.6 pounds, are between 5 and 5.5 and 95% will be contained between what two va..

  Knowing the mean score for a certain quiz in a statistics

Make a List of type of possible errors. Assume that you were interested in knowing the mean score for a certain quiz in a statistics class.

  Correlation coefficient for absenteeism and age

A personnel manager for a large corporation feels that there may be a relationship between absenteeism and age and would like to use the age of a worker to develop a model to predict the number of days absent during a calendar year.

  Determining skewed mean and median

It does not matter, when data are skewed mean and median are the same.

  Making frequency distribution

The caffeine content of 20 brands of regular coffee is shown below. 80 82 89 85 87 30 33 44 40 46 50 55 60 62 71 90 92 75 63 65. Thus, this job helps to construct a Frequency Distribution with a class interval of 10, starting with 30.

  Models are best suited to forecast a time series

Multiple choice question using Forecasting techniques. Which among of the following models are best suited to forecast a time series with a stable seasonality component.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd