Find confidence interval for monthly expense budget

Assignment Help Basic Statistics
Reference no: EM131438841

Question: A sample of 20 international students attending an urban U.S. university found that the average amount budgeted for expenses per month was $1612.50 with a standard deviation of $1179.64. Find a 95% confidence interval for the mean monthly expense budget of the population of international students. Use the appropriate formula and verify your result using the Confidence Intervals workbook.

Reference no: EM131438841

Questions Cloud

Why an understanding of the terms lfl and ufl are important : Explain why an understanding of the terms lower flammability limit (LFL) and upper flammability limit (UFL) are important for fire prevention and suppression. How are the LFL and UFL different from the lower explosive limit (LEL) and upper explosi..
How the dashboard will integrate all of our visualizations : Describe how the dashboard will integrate all of our visualizations Identify the interactive features of the dashboard, and how they will help illustrate the data in a meaningful way
What type of mass movement event would most likely occur : What type of mass movement event would most likely occur in Yosemite National Park, or any other place with exceptionally steep cliffs of solid bedrock?
What is the tragedy of the commons : What is the tragedy of the commons? Explain and give an example of a common-pool resource, and describe ways of protecting such resources.
Find confidence interval for monthly expense budget : A sample of 20 international students attending an urban U.S. university found that the average amount budgeted for expenses per month was $1612.50 with a standard deviation of $1179.64.
Compute fcf using the adjustment method : ACCT3343.2 FINANCIAL ACCOUNTING ANALYSIS ASSIGNMENT. Prepare CFS using the DIRECT method. Prepare FCF statement. Compute FCF using the adjustment method: FCF = CFO* - CFI*
Which of the given statement about mass movement is not true : Which of the following statements about mass movements is NOT true? What is the advantage of lidar (laser-based altimetry) for estimating landslide hazards?
Find confidence interval for the mean check-in time : A sample of 33 airline passengers found that the average check-in time is 2.167. Based on long-term data, the population standard deviation is known to be 0.48. Find a 95% confidence interval for the mean check-in time.
Discuss the chemical properties and interactions relevant : Identification of the hazardous material(s) involved and hazardous classification. Discussion of chemical properties and interactions relevant to the incident/project, any short or long-term mitigation implemented.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Conduct the test giving statistics the test statistic and

in 2005 congress passed the bankruptcy abuse prevention and consumer protection act.nbsp this act made significant

  Weighted glucose response and glucose impedance

The data in Table 8.12 are a subset of the data obtained by Shen et al. (1970) in an experiment concerned with the hypothesis that diabetes mellitus is not simply a function of insulin deficiency and that perhaps insulin insensitivity could play a..

  Whether study was an observational study or randomized study

For each of the studies described, explain whether the study was an observational study or a randomized experiment.

  A clinical trial tests a method designed to increase the

a clinical trial tests a method designed to increase the probability of conceiving a girl. in the study 562 babies were

  Statistics-monthly salaries of business graduates

Use these data to obtain a 90% confidence interval estimate for the mean starting monthly salary, µ, of all recent graduates with bachelor's degrees in marketing from this university.

  Find the sample size for the given problem

It is impossible to obtain a standard error less than 2 for any sized sample.

  Proportion of successes in a sample

The probability of success for any trial of a binomial experiment is 25%. Find the probability that the proportion of successes in a sample of 500 is less that 22%. Repeat with a sample of 800. Repeat with a sample of 1,000.

  Calculate the lower quartile and the mode

Using seven classes of equal width, arrange the above data in a less-than cumulative distribution. Let 350 tonnes be the lower limit of the initial class. Use the distribution in 1.1 to calculate the lower quartile and the mode

  Random process with mean

1. In all the following questions {Zt} is a purely random process with mean E[Zt ] = 0, variance Var(Zt) = σ 2 , and successive values of Zt are independent so that Cov(Zt , Zt+k) = 0, k 6= 0.

  Con?dence interval for the mean change

Construct a 98% con?dence interval for the mean change in heart rate. Assume that the population has a normal distribution. Interpret your answer.

  A box contains eight 8 light bulbs of which three 3 are

a box contains eight 8 light bulbs of which three 3 are defective. a bulb is selected from the box and tested. if it is

  If you test 2 different lightbulbs from a box of 100 bulbs

if you test 2 different lightbulbs from a box of 100 bulbs that contains 1 defective bulb what is the probabilty that

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