What is the standard error of sample mean

Assignment Help Basic Statistics
Reference no: EM1398137

From an urn containing balls, a ball was drawn, weighted and replaced. This experiment was repeated 5 times. what is the standard error of sample mean?

Reference no: EM1398137

Questions Cloud

Mean vector and variance matrix of the random vector : Suppose X is a random variable with mean u and variance sigma2, Calculate the mean vector and variance matrix of the random vector Y = (X,2+3X)?
Assumptions of anova : Is it true that one of the major assumptions underlying ANOVA is that all the populations being studied in the experiment have the SAME distribution?
Consider the meaning of the term ecology : Consider the meaning of the term "ecology." How do the ideas of energy and chemical cycles, community structure, biodiversity and succession fit together to form the basis of the way the natural world works?
Two hybrid system to detect interactions between proteins : Using the two-hybrid system to detect interactions between proteins, you obtain the following results: A clone encoding gene A gave positive results with clones B and C.
What is the standard error of sample mean : From an urn containing balls, a ball was drawn, weighted and replaced. This experiment was repeated 5 times. what is the standard error of sample mean?
Question on anova problem : Why do we need a new test method to compare the means of 3 or more populations? Why can't we just use a series of z-tests or t-tests to compare all of the possible pairs of population means to see if one (or more) is different?
Explain how a saving account is similar to atp : Explain how a a gas tank account is similar to ATP and where the analogy fails to represent ATP accurately.
Describe the different steps of a growth curve for microbes : Describe the different steps of a growth curve for microbes, and what factors influence each step. Explain in 100+ words.
Distribution of the sample mean x-bar : If the sample size (n) is large, and the sample is a random sample, then the distribution of the sample mean x-bar is approximately a:

Reviews

Write a Review

Basic Statistics Questions & Answers

  To demonstrate the process is in control or out of control

To demonstrate the process is in control or out of control utilizing p-chart. A company which produces nails has retained you as a consultant.

  Probable mean spent amount

At the end of the Halloween Festival the organizers estimated that a family of participants spent in average $50.00 with a standard deviation of $15.00. If 49 participants (49 = size of the sample) are selected randomly, what's the likeihood that ..

  Fitted regression equation

(a) Write the fitted regression equation, (c) What is your conclusion about the slope.

  Computing standard deviation for dissolved organic carbon

Following data represent concentration of dissolved organic carbon (mg/L) collected from 20 samples of organic soil. Sample standard deviation is?

  Inverse weibull distribution

Individual loss amounts (ground up) this year follow an inverse Weibull distribution with  τ= 3 and expected value 1000. Next year you con?fidently expect loss amounts to in?ate by 10% uniformly across the board.

  Anaphylactic shock reaction to immunization injections

Primary healthcare workers believe that anaphylactic shock reaction to immunization injections occurs with children in one case in two thousand.

  Determining the value of statistic and dependent variable

Determine the dependent variable(s)? Determine the value of the statistic? Write down the name of one variable not mentioned in this study that one might wish to control for.

  Cohort study and case-control study

Why is cohort studies more expensive than case-control studies? I know one problem is cohort studies often must be followed up for a long period to determine whether the outcome of interest has developed and they are more expense than case-control..

  Error between a sample men and population mean

The error between the sample mean and the population mean for a sample of n = 16 is 5 points and the error between a sample men and population mean for a sample of n = 100 is 2 points. Explain the difference in the standard error for the two sampl..

  Five t-tests on data

Perform 5 t-tests on the data comparing C1 to C2 on each of the 5 questions. Indicate which of the 5 variables has a difference between C1 and C2.

  Standardizing the test statistic

Find the test statistic . Find the standardize test statistic. decide whether the standardize test statist is in the rejection region and decide whether you should reject or fail to reject the null. Sample are random and independent. Claim u1 =u2,..

  Explaining difference in variances and decision rule

At α = .05, is there a difference in variances? Illustrate all steps clearly, including the illustration of the decision rule.

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