Variance and standard deviation to real-world

Assignment Help Basic Statistics
Reference no: EM1392763

How might variance and standard deviation be applied to a real-world business-related problem? Provide a specific application in which these measures are useful.

Reference no: EM1392763

Questions Cloud

Post-hoc test with analysis of variance : What is the purpose of a post-hoc test with analysis of variance? What is probabilistic equivalence? Why is it important?
Always has everything done in a timely manner : There is no written policy about this issue at the company. To date, Jennifer's work is exemplary.
Find out the angle of its projection : A metal bar, pivoted at one end, oscillates freely in the absence of a magnetic field. But, when it oscillates between the poles of a magnet, its oscillations are quickly damped. Why? (Such magnetic damping is used in a number of practical devices..
Determine proportions of the genotype : A heterozygous round seeded plant is back crossed with a homozygous round seed plant. what are the proportions of the genotype and the proportions of the phenotype?
Variance and standard deviation to real-world : How might variance and standard deviation be applied to a real-world business-related problem? Provide a specific application in which these measures are useful.
Rate of cigarette smoking : Consider the following news headline, "Cigarette Smokers Make Lower College Grades than Nonsmokers" The news article goes on to say that researchers at a university collected information on rate of cigarette smoking (total number of cigarettes sm..
What is an industry : What is an industry? Industry is a group of diverse businesses under common owners.
Estimating genotypes and the genotypic ratio : A male green bug from a pure breeding population is crossed to female purple bug from a pure breeding population. All of their hundreds of progeny are purple.
Basic statistics of wait times : Creek Ratz is a very popular restaurant located along the coast of northern Florida. They serve a variety of steak and seafood dinners. During the summer beach season, they do not take reservations or accept a call seating.

Reviews

Write a Review

Basic Statistics Questions & Answers

  To study and control the manufacturing process

Do any of the selected samples seem to be out of the control limits? Describe.

  Recalculating the interval estimate

Assuming the sigma of 200 was actually the standard deviation for the sample, recalculate the interval estimate. Discuss how this changed your result from that in part b.

  Finding estimate and confidence interval for mean

Find out point estimate and 95% confidence interval for mean family dental expenses of all employees of company.

  Probability values based on contingency table

What is the probability of selecting a female or an accounting major? Which rule of addition did you apply?

  Probability for uniformly distributed college

The travel time for a college student traveling between her home and her college is uniformly distributed between 40 and 90 minutes.

  Mean weight of the sample horses

Suppose the horses in a large stable have a mean weight of 1464 lbs, and a standard deviation of 111. What is the probability that the mean weight of the sample horses would differ from the population mean by less than 11 lbs if 34 horses are samp..

  Addition thermo on probability

Addition Thermo on Probability - If a man is randomly selected for an interview, what is the chance he will Play football or basketball?

  Determine the degrees of freedom for t-test

How many degrees of freedom should the researcher use in her t-test critical value assuming that the variances are equal?

  Confidence interval estimate for population proportion

Construct a 95% confidence interval estimate for the population proportion of adults who report that e-mails are easy to misinterpret.

  Develop p chart with three sigma control limits

Develop a p chart with 3-sigma control limits and evaluate whether the process is in statistical control

  Degree of certainty independent of credits earned

At α = 0.01, is the degree of certainty independent of credits earned?

  Statistics contingency table and decision tree

Two tools that are often used in this process are the contingency table and the decision tree. What are these tools and how to they help us to make decisions under uncertainty when we are dealing with probabilities?

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