User Account

All Pages

Margin of error in estimating the population mean

Assignment Help Basic Statistics
Reference no: EM131444798

Use the given degree of confidence and sample data to find the margin of error in estimating the population mean. Replacement times for washing machines 90% confidence; n =41 the sample mean (x-bar) =10.9 years s=2.3 years

Reference no: EM131444798

Questions Cloud

Describe the qualified professional to guide the process : Most individuals do not decide to seek treatment on their own. Often, some form of leverage from outside influences is required to provide the necessary incentive to seek treatment. The broad term for this leverage is intervention. Interventions a..
Fmea to prioritize the critical process steps : You are evaluating the steps in a core process using a FMEA(Failure Modes and Effects Analysis). The scales to rate severity, occurrence, and detection have been created and agreed upon by the team. How would you use the FMEA to prioritize the c..
Show the joint probability density function : Suppose that X and u are continuous random variable and (Xi, ui), i = 1,...,n, are i.i.d.
Describe types of lines shapes and textures artist has used : A brief assessment of the physical properties you observe. Describe the types of lines, shapes, colors, and textures (actual and perceived) the artist has used.
Margin of error in estimating the population mean : Use the given degree of confidence and sample data to find the margin of error in estimating the population mean. Replacement times for washing machines 90% confidence; n =41 the sample mean (x-bar) =10.9 years s=2.3 years
Estimate the mean weight of all women : A researcher wishes to estimate the mean weight of all women in this age group. Fine how large a sample must be drawn in order to be 90% confident that the sample will not differ from the population mean by more than 2.0 pounds.
Discuss the types of buildings and construction methods : Political power in the empires of the Near East was reflected in the architectural structures built over time and by various rulers. Discuss the types of buildings and construction methods that reveal this part of ancient history.
Calculate the ols estimates : Suppose that a sample of n = 20 households has the sample means and sample covariances below for a dependent variable and two regressors.
Explore the art of the ancient near east mesopotamia : Exploring the Art and Architecture of the Ancient Near East (Mesopotamia) and the Art From the Ancient Aegean. Capture each image and place it in the Word document provided for this assignment.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Importance of normal distribution to statistics

Is the normal distribution (or its special case, the standard normal distribution) effective in characterizing situations and/or in helping managers make decisions?

  Examine association between weight of car-fuel efficiency

We will examine the association between the weight of the car (in thousand of pounds) and the fuel efficiency (in miles per gallon). Shown is the regression output.

  One article describes measurements of ammonium

one article describes measurements of ammonium concentrations in mgl at a large number of wells in the state of iowa.

  Outcomes in the sample space

a. When events A and B are mutually exclusive, then P(A and B) = P(A) + P(B). b. The union of events A and B consists of all outcomes in the sample space that are contained in both event A and event B. c. When two events A and B are independent, the ..

  Collaborating with other organizations

In a study of 368 San Francisco Bay Area nonprofits, 224 reported that they are collaborating with other organizations to provide services, a necessity as nonprofit agencies are called upon to do more with less.

  Let x be a discrete random variable with a pmf px c 6x x

let x be a discrete random variable with a pmf px c .6x x 123..a what is the value of c?b calculate px gt

  Response time at an online site can be modeled with an

question response time at an online site can be modeled with an exponential distribution with a mean service of 5

  Construct large sample confidence interval for difference

Give an estimate of the difference in gender proportions that favored Commercial A. Also construct a large-sample 95% confidence interval for this difference.

  Construct a box and whisker plot and summarize the

question wageweb.com exhibits salary data obtained from surveys. it provides compensation information on over 170

  Numerator or denominator of the z-score

The value of the z-score that is obtained for a hypothesis test is influenced by several factors. Some factors influence the size of the numerator of the z -score and other factors influence the size of the standard error in the denominator.

  Find test statisctic and p value

Use .05 significance level to test the claim that fewer than half of all teenagers in the population feel that their greatest source of pressure. Find test statisctic and P value.

  Construct a sample space using a tree diagram

Construct a sample space using a tree diagram - Which of the following three sets of probabilities are inappropriate because they violate a basic rule of probability

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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