User Account

All Pages

Confidence interval for the mean price

Assignment Help Basic Statistics
Reference no: EM13944014

A sample survey of 54 discount brokers showed that the mean price charged for a trade of 100 shares at $50 per share was $33.77 (AAII Journal, February 2006). The survey is conducted annually. With the historical data available, assume a known population standard deviation of $15.

1. Using the sample data, what is the margin of error associated with a 95% confidence interval?

2. Develop a 95% confidence interval for the mean price charged by discount brokers for a trade of 100 shares at $50 per share.

Reference no: EM13944014

Questions Cloud

Cumulative preferred stock : Arp. Corp's outstanding capital stock at December 15, 2013 consisted of the following: 30,000 shares of 5% cumulative preferred stock, par value $10 per share,
Morality matter of reason and conscience, not religiou faith : Consider any of Rachels three objections to the theory of divine command. Do you think he is onto something here? Are there implications for either the divine or moral law if Rachels is right in his objection?
Anti-ageing product target chinese market : Our company is Kore Skin Care http://koreskincare.com.au/ that focuses on anti-ageing product target Chinese market, In (Guangzhou region) The target market is the middle-age women.
Mains part of an item of equipment through or across : ________ is current that flows from the mains part of an item of equipment through or across the insulation into the protective earth conductor.
Confidence interval for the mean price : Using the sample data, what is the margin of error associated with a 95% confidence interval? Develop a 95% confidence interval for the mean price charged by discount brokers for a trade of 100 shares at $50 per share.
What are some ethics and privacy issues : What are some ethics and privacy issues associated with developing a fitness application and website? What are some solutions to control these risks?
Transaction lacks commercial substance : Amble Inc. exchanged a truck with a carrying value of $12,000 and a fair value of $20,000 for a truck and $5,000 cash. The transaction lacks commercial substance.
Create a chart for each sales person in the categories : Open Excel and start with a blank spreadsheet. In cell A10 type in the words "iHaul Sales Force Facts and Figures" - do not use quotes, do use font size 16, and make the text bold.
Improve human memory in different professional settings : How could findings from the experiment be applied to develop policies or procedures to improve human memory in different professional settings? What strengths or weaknesses in human memory do the experiments highlight that would be important for p..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Explaining strong negative correlation

When calculating correlation coefficient, what does a value of -2 indicate? Strong negative correlation, Weak negative correlation.

  Just as we had 3 versions of the t-test

Just as we had 3 versions of the t-test

  The mean score of the overall population of high school

a high school decides to add a new course that prepares randomly selected seniors to take a certain standardized test

  The beer institue conducted a study with looking at beer

the beer institue conducted a study with looking at beer purcheses per capita across states. some states buy more beer

  Proportionate stratified sample

You wish to do a community needs assessment survey of a community to find out how much office space is needed by professionals in the community.

  Compute the mean of sample proportion of smokers compute

in a community 40 of the population is smoker. i randomly choose 60 residents from that community and ask if each of

  Coefficient of determination and correlation

What does the coefficient of determination tell you about the variation in attendance and the variation in the number of exhibitors?

  Find probability sample proportion of health is excellent

What is the probability that the sample proportion p of an SRS of size n = 1000 Who say their health is excellent lies between 26% and 32%?

  Calculating probabilities-dallas cowboys

The odds of the Dallas Cowboys winning this year's Super Bowl are 3 to 1. Compute the probability of the Cowboys winning

  Test hypothesis-conclusion without conducting hypothesis

The following are average weekly inventory costs in thousands of dollars for two proposed inventory control policies. The values were obtained from independent replications of a simulation model of the system.

  In a raffle with 100 tickets 10 people buy 10 tickets each

in a raffle with 100 tickets 10 people buy 10 tickets each. ifthere are 3 winning tickets drawn at random find the

  Important concepts of methodology

Identify and briefly discuss two important concepts ( Prediction and Regression/ Correlation or Regression) applicable to analytical methodology.

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