The standard deviation of a sample of 15 automobile repairs at a local garage was $120.82. Assume

Question:

The standard deviation of a sample of 15 automobile repairs at a local garage was $120.82. Assume the variable is normally distributed. Find the 90% confidence of the true variance and standard deviation.

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

Step by Step Answer:

Related Book For book-img-for-question

Elementary Statistics A Step By Step Approach

ISBN: 9781259755330

10th Edition

Authors: Allan G. Bluman

See More Books

Question Posted: Sep 06, 2018 11:04 AM

See More Questions

The mean and the standard deviation of the sample of 40 trash bag breaking strengths are = 50.575 and s = l .6438. We give the mean and the standard deviation of a sample that has been randomly...
The mean and the standard deviation of the sample of 100 bank customer waiting times are = 5.46 and s = 2.475. We give the mean and the standard deviation of a sample that has been randomly selected...
The mean and the standard deviation of the sample of 65 customer satisfaction ratings are = 42.95 and s = 2.6424. We give the mean and the standard deviation of a sample that has been randomly...
A strip of metal is originally 1.5 m long. It is stretched in three steps: first to a length of 1.75 m, then to 2.0 m, and finally to 3.0 m. Show that the total true strain is the sum of the true...
The adjusted trial balances of Anderson Plating Services, Inc., at December 31, 2016, and December 31, 2017, include these amounts: Analysis of the accounts at December 31, 2017, reveals these...
Which two of the following characterize the work of fraud examiners? a. Analysis of control weaknesses for determination of acceptable fraud risk. b. Analysis of control strengths as a basis for...
Nuts and Cholesterol Several studies have been performed to examine the relationship between nut consumption and cholesterol levels. Here we consider two such studies. In Study 1, participants were...
Administrative theorists concluded many decades ago that the most effective organizations have a narrow span of control. Yet todays top-performing manufacturing firms have a wide span of control. Why...
Sage Inc. experienced the following transactions for Year 1, its first year of operations: 1. Issued common stock for $80,000 cash. 2. Purchased $180,000 of merchandise on account. 3. Sold...
According to a Pew Research Center nationwide telephone survey of American adults conducted by phone between March 15 and April 24, 2011, 25% of American college graduates said that their student...
The number of calories per candy bar for a random sample of standard-size candy bars is shown below. Estimate the mean number of calories per candy bar with 98% confidence. Assume that all variables...
In 1960, 67.6% of the U.S. population (aged 14 and over) was married. A random sample of 600 Americans in 2014 indicated that 316 were married. Estimate the true proportion of married Americans with...
Refer to the clustering problem involving the file FBS described in Problem 1. a. Apply hierarchical clustering with 10 clusters using latitude and longitude as variables. Be sure to Normalize input...
how would you evaluate your hiring experience? what would you change about the hiring process if you were responsible for hiring and retaining employees
Deferred compensation is another practice that employers may choose to adopt in certain circumstances. Describe three benefits an employer might experience from using deferred compensation.
Give detailed explanation of STEM ( Two paragraphs with references) Explain the importance of STEM education with the help of technology?
Explain internal and external resourcing. A. Identify and explain internal resourcing. B. Identify and explain external resourcing
in regards to disney world why should an organization be concerned about labor relations? Contrast the style of labor unions in the U.S. to that found in another country? Also, briefly discuss ways...
Conduct a thorough analysisstrategic and financialof one of the following companies or another of your own choosing: Bluefly Inc., Drugstore.com, Inc., or 1-800-Flowers.com. Prepare a presentation...
Which of the following is FALSE regarding the purchasing power parity (PPP). a. The PPP is a manifestation of the law of one price b. The PPP says that a country with a higher expected inflation can...
How many different ways can 5 peopleA, B, C, D, and Esit in a row at a movie theater if (a)A and B must sit together; (b) C must sit to the right of, but not necessarily next to, B; (c) D and E will...
Using combinations, calculate the number of each poker hand in a deck of cards. (A poker hand consists of 5 cards dealt in any order.) a. Royal flush 4 c. Four of a kind b. Straight flush d. Full...
The red face cards and the black cards numbered 29 are put into a bag. Four cards are drawn at random without replacement. Find the following probabilities: a. All 4 cards are red. b. 2 cards are red...
How does Ozy media differentiate itself from competitor? or how does it build brand identity?
Moe Glee's business acquired a group of assets two years ago to help with expansion plans, but Moe would now like to review the use of some of those assets. Moe's close friend Ana Maui Harry's has...
Analyze the centrality of Off Whites' significant collaborations with other luxury and sportswear brands for accruing valuable brand equity.?

The standard deviation of a sample of 15 automobile repairs at a local garage was $120.82. Assume

Question:

Step by Step Answer:

s 12082 862844 2 31...View the full answer

Elementary Statistics A Step By Step Approach

Students also viewed these Mathematics questions