Explain what happens to the size of the confidence interval when (a) The standard deviation increases. (b)

Question:

Explain what happens to the size of the confidence interval when

(a) The standard deviation increases.

(b) The standard deviation decreases.

(c) The probability content (1 - α) increases from 95 % to 99 %.

(d) The sample size increases from 100 to 1,000.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Statistics For Business And Financial Economics

ISBN: 9781461458975

3rd Edition

Authors: Cheng Few Lee , John C Lee , Alice C Lee

See More Books

Question Posted: Feb 17, 2024 11:37 PM

See More Questions

A random sample of 70 observations from a normally distributed population possesses a sample mean equal to 26.2 and a sample standard deviation equal to 4.1. a. Find an approximate 95% confidence...
1) Implement as LL ladder ladder filter (7) 1 G(s) = 5 +1.75 +0.85 +1
(a) LEP Table 12-2: Exothermic Reaction with Heat Exchange Download the Polymath, MATLAB, Python, or Wolfram codes for the algorithm and data given in Table T12-2 for the exothermic gas phase...
1. Identify the function of the underlined noun/s in each item. 1. On rainy mornings, is your bus usually late? 2. On the desk were the red pencils. 3. Volcanoes and earthquakes are destructive...
1. From your reading and any additional research you have performed, had the role and purpose of art changed dramatically during the Stone Age? Survey the commonly recognized kinds of art, be...
Los Pollos Hermanos Restaurants Inc. Selected Financial Ratios Last Year Next Year ROE 12.21% 12.21% 1 + D/E 1.45 ROA 8.42% Total Asset 1.17 1.30 Turnover Net profit 7.2% 6.70% Margin The table,...
What is the difference between a marketing dashboard and a marketing metric? Answer: A marketing dashboard is the visual display of the essential information related to achieving a marketing...
Neighborhood Supermarkets is preparing to go public, and you are asked to assist the firm by preparing its statement of cash flows for 2014. Neighborhood's balance sheets at December 31, 2013 and...
Using the above table with the following assumptions B t = B t-1 +Change in Current Assets-DEP t Cost of Equity = 10% What is the value of the Project?
Labor economists at the Department of Labor say they have 95 % confidence that factory workers earnings will lie between $22,000 and $61,000. Explain what this means.
Briefly explain why we sometimes construct confidence intervals for the population mean.
Multiple requests accessing multiple remote databases, Figure D12.3 Multiple requests, Multiple RemoteDBMSes REQUEST REQUESIT REQUEST DONAS REQUESI DBMS REQUESIT
From Hoffman, what are the symptoms of autism and ADHD? From the Mayo Clinic, what are the causes and risk factors for autism and ADHD? What are treatment options for these disorders? Hofmann, S. G....
Brooks, a participant in the Zappa retirement plan, has requested a second plan loan. His vested account balance is $80,000. Brooks borrowed $27,000 eight months ago and still owes $18,000 on that...
Suppose that Angelina and Brad own the only two professional photography stores in town. Each must choose between a low price and a high price for senior photo packages. The annual economic profit...
based on the article How Chili's Is Prepping for Tough Times, Starting With the Fries by Heather Haddon. What is corporate social responsibility, and what is one way that Chili's can better pursue...
QUESTION 2 (20 marks) CLO 5 a. Explain what the following ratios indicate to a firm: (i) Acid Test Ratio (ii) Return on Capital Employed (ROCE) (iii) Debtors Collection Period (iv) Working Capital (2...
Use Simpson's Rule with n = 6 to estimate the length of the curve x = t - et, y = t + et, -6 t 6.
You are the newly appointed tax practitioner to complete Emilys tax return and have downloaded the prefill report for Emilys tax return (hint, you can read what a prefill report is here (Links to an...
If the general market demand for mens shoes is fairly elastic, how does the demand for mens dress shoes compare to it? How does the demand curve for womens shoes compare to the demand curve for mens...
If the demand for perfume is inelastic above and below the present price, should the price be raised? Why or why not?
If the demand for shrimp is highly elastic below the present price, should the price be lowered?
Suppose I have computed the cost of carbon per mile for my car at 0 . 0 1 2 per mile. Assume that the interest rate is 4 % and that I drive the car 2 8 , 0 0 0 miles per year. What is the present...
Imagine that in stable growth period, the firm earns ROIC of 10% and has after tax EBIT of 200 and reinvestment $ of 40. What is the steady state growth rate? 20% O 10% 2%
Tanner-UNF Corporation acquired as a long-term investment $160 million of 5.0% bonds, dated July 1, on July 1, 2021. Company management has the positive intent and ability to hold the bonds until...

Explain what happens to the size of the confidence interval when (a) The standard deviation increases. (b)

Question:

Step by Step Answer:

Understanding Confidence Intervals Before diving into the effects of different factors on the size of a confidence interval it is essential to have a ...View the full answer

Statistics For Business And Financial Economics

Students also viewed these Business questions