What is the variance of the distribution of means

Assignment Help Basic Statistics
Reference no: EM131910749

Your sample of 12 people is being compared to a known population with a mean of 200 and a variance of 36. What is the variance of the distribution of means?

Reference no: EM131910749

Questions Cloud

What is the average time between customers : What is the average time between customers and the standard deviation of the time between customers?
How do cross-cultural differences affect the use of power : What are some examples of individual and organizational sources of power and their consequences for followers and organizations?
What is an annotated bibliography : What is an Annotated Bibliography? Writing an Annotated Bibliography begins with your research and reading processes.
Write an article about ceos and presidents for a management : Write an article about "CEOs and presidents" for a management journal. You have decided to compare the leadership styles of three leaders.
What is the variance of the distribution of means : Your sample of 12 people is being compared to a known population with a mean of 200 and a variance of 36. What is the variance of the distribution of means?
How can employers deal with employees that may feel hurt : How can employers deal with employees that may feel hurt and underappreciated when they are switched to non-exempt?
What is the symbol for estimate : Be able to estimate s when all you have is a sample's variance/standard deviation.
Discuss the advantages of using a confidence interval : Discuss the advantages of using a confidence interval. Give an example of a large population of data that is suited to a confidence interval estimate
What is the value of the sample test statistic : What is the value of the sample test statistic? Compute the corresponding z or t value as appropriate.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Different from the reported percentage

A publisher reports that 74% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is actually different from the reported percentage.

  Develop the null and alternative hypothesis

a) Develop the null and alternative hypothesis. b) What conclusion is appropriate when Ho cannot be rejected?

  Perform the appropriate post hoc comparisons what do you

in a study in which k 3 n 21 mean of x1 45.3 mean of x2 16.9 and mean of x3 8.2 you compute the following sums of

  Construct a given prediction interval for y

Construct a 95% confidence interval for β1.- Construct a 95% confidence interval for E(y) when x = 125.- Construct a 95% prediction interval for y when x = 125.

  Evaluate how well the authors used anova in the study

Search the Internet. Search the Internet or your library to find a study that is interesting to you and that used one-way ANOVA to analyze the data.

  Distribution of the proportion of people

If we randomly select a sample of 20 people from that urban location, can we determine that the distribution of the proportion of people who prefer Facebook over twitter for such samples is approximately symmetric and bell shaped? Why or Why not?

  The prices of heating oil and natural gas increase

As the prices of heating oil and natural gas increase, consumers become more careful about heating their homes. Researchers want to know how warm home- owners keep their houses in January and how the results from Wisconsin and Tennessee compare.

  What is the value of the sample test statistic round your

the average annual miles driven per vehicle in the united states is 11.1 thousand miles with ? ? 600 miles. suppose

  Find the total number of times the target is hit

Suppose three marksmen shoot at a target. The ith marksman fires ni times, hitting the target each time with probability p.

  Consider the number of subsets of a set with nelements use

consider the number of subsets of a set with nelements. use the fact that there are cnk subsets of k elements with

  Compare this interval with the one obtained

Use the formula of Exercise 29 to calculate a 95% confidence interval for β for the numbers of hours studied and the test scores in the table in Section 3 and compare this interval with the one obtained in Example 6.

  Find standard deviation and viarance of sample data

Find the viarance for the given data. Round your answer to one or more decimal place than the original data. 5.1,4.7,8.8,3.5,5.6.

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