Calculate a confidence interval for unknown population

Assignment Help Applied Statistics
Reference no: EM13731544

QUESTION 1

Calculate a 95% confidence interval for the unknown population mean business age.

QUESTION 2

Test, at the 1% level of significance, whether the average business has more than 15 employees.

QUESTION 3

Test, at the 5% level of significance, whether the average profit in 2014 differs between businesses located in Parramatta CBD or located in Sydney CBD.

[You may assume that the unknown population standard deviations for Parramatta and Sydney businesses are equal]

QUESTION 4

Test, at the 5% level of significance, whether location (Parramatta or Sydney CBD) of the business is related to type of business (privately held, publicly traded or franchise)?

NOTE: The data was randomly created for the sole purpose of this assignment. The data can be assumed to be normally distributed for all continuous variables


Attachment:- Data Sets.pdf

Reference no: EM13731544

Questions Cloud

Items in meeting organizational objectives : Describe the importance of the three items in meeting organizational objectives. Include at least one source other than the textbook.
Identify possible careers associated for each section : Determine what steps you can take to develop those skills. Identify possible careers associated for each section
Evaluate an employee current and or past performance : Performance appraisals evaluate an employee's current and or past performance relative to his or her performance standard (Dessler, 2013). This seems to be the standard way of evaluating employees, at least in my current organization.
Companies engaged in international business often face : Companies engaged in international business often face this issue. Typically, companies will turn to banks or investors to obtain financing. This works of course, but it can tie up other assets/collateral. What other options exist if you don't have e..
Calculate a confidence interval for unknown population : Calculate a 95% confidence interval for the unknown population mean business age - Test, at the 5% level of significance, whether location (Parramatta or Sydney CBD) of the business is related to type of business (privately held, publicly traded or..
Decide between two different conveyor belt systems : Lang Industrial Systems Company (LISC) is trying to decide between two different conveyor belt systems. System A costs $240,000, has a four-year life, and requires $75,000 in pre tax annual operating costs. System B costs $340,000, has a six-year lif..
Develop company mission statement and company introduction : Develop your company's mission statement and company introduction. Develop a branding strategy for your product that covers the brand name, logo, slogan, and at least one (1) brand extension
Risk tolerance and factors in setting risk tolerance : Define risk tolerance and factors in setting risk tolerance. Define limitations in risk tolerance and potential outcomes.
Assume semi-annual compounding-purchased zero coupon bond : You purchased a zero coupon bond one year ago for $138.23. The market interest rate is now 7 percent. If the bond had 28 years to maturity when you originally purchased it, what was your total return for the past year? Assume semi-annual compounding.

Reviews

Write a Review

Applied Statistics Questions & Answers

  State a research question for which a single-group post

One conclusion you might reach (hint) after completing the readings for this assignment is that there are no bad designs, only bad design choices (and implementations). State a research question for which a single-group post-test only design ca..

  A local corporation was interested in the purchasing habits

A local corporation was interested in the purchasing habits of Wake County residents.Specifically one of the things they were interested in was the proportions of residents that did a major home improvement project in the last year.

  A friend has offered to play a gambling game

A friend has offered to play a gambling game with you that involves flipping a coin that he has provided. Since a flip of heads will be to his advantage, you want to test the coin for fairness before you begin to play. Your friend is willing to..

  A positive linear relationship between the dollar amount

An insurance company suspects that there is a positive linear relationship between the dollar amount of fire damage in residential fires, and the distance between the residence and the nearest fire station. Data were collected on a random sampl..

  Can anyone think of a business decision

What if the instruments are broken, not connected to anything, or just completely wrong? This is one of the primary reasons that the sequence is so important

  Dress code is necessary for team coherence

A department store manager has decided that dress code is necessary for team coherence

  Question 1 what would be the appropriate statistical

question 1. what would be the appropriate statistical procedure to test the following hypothesisnbsp triglyceride

  A screening test for a newly discovered disease is being

a screening test for a newly discovered disease is being evaluated. in order to determine the effectiveness of the new

  Calculate the odds ratio of the fish being female

Calculate the odds ratio of the fish being female in the cold environment compared to the fish in the warm environment. Interpret this ratio in the context of the question.

  Survey to determine child care costs for working parents

In a survey to determine child care costs for working parents, the local Chamber of Commerce randomly samples licensed child care centers in four regions of the metropolitan area. The purpose of the survey is to see whether and how average child c..

  Formulate an integer programming mode

Formulate an integer programming model, and solve it using EXCEL.

  Help an experiment is conducted in which 60 participants

an experiment is conducted in which 60 participants each fill out a personality test but not according to the way they

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