Information about general statistics question

Assignment Help Basic Statistics
Reference no: EM13102130

Based off the three requirements that must be met before an analysis of variance test (ANOVA) can be used:

1. Samples must be randomly selected from the populations to be evaluated.

2. All populations from which the samples are selected must have a normal probability distribution.

3. All the populations from which samples are selected must have the same variance.

How might one know if the samples follow a normal distribution?

Reference no: EM13102130

Questions Cloud

Emergence of african countries as independent nation-states : What accounts for rather late emergence of African countries as independent nation-states? Is there something strange about Africa which delayed its drive for independence?
Prepare a system flowchart : Prepare a system flowchart, following good flowcharting practices including annotations, documenting the GCO system  as described above.  Use VISIO or another flowcharting tool of your choice.
Distribution of the amount spent : A major department store chain is interested in estimating the average amount its credit card customers spent on their first visit to the chain's new store in the mall.
Explain the non-price determinants involved in the change : Explain the non-price determinants involved in the change in each market. Explain why would the writer suggest coffee drinkers might be thinking of switching to tea.
Information about general statistics question : Based off the three requirements that must be met before an analysis of variance test (ANOVA) can be used: Samples must be randomly selected from the populations to be evaluated.
Find the water temperature in degrees celsius : When resting, a person has a metabolic rate of about 5.84 x 105 joules per hour. The person is submerged neck-deep into a tub containing 3.61 x 103 kg of water at 28.8 °C. If the heat from the person goes only into the water, find the water temper..
Explain what project management application you might use : Explain what project management application you might use to measure and improve the performance. Find out explain how you would use these figures to monitor productivity over time. Calculate the bread even point?
Cpa working as an internal auditor embezzles : Explain how much greater should it be? In general, should white-collar criminals receive stronger or more lenient sentences than the more traditional criminal for roughly equivalent crimes? Be sure to clearly state all your reasons for the conclus..
What will be the new height of fluid column : A u-tube manometer is used to measure the pressure of a vessel under vacuum. Assume the manometer is open to atmospheric pressure (101.325 kPa) and the density of the fluid in the manometer is 12.0 g/cm3. When the vessel is under 11.5 psi of vacuu..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Computing welch f-statistic

For each problem, compute a Welch F-statistic and determine whether or not significant differences exist among the treatment conditions.

  Factors cause variation in weight of rolls in manufacture

Describe the factors that might cause variation in weight of Tootsie Rolls during manufacture.

  Hypothesis test using single proportion

What is the null hypothesis? What is your decision if a = 0.01?

  Random sample distriction

In a nationwide study directed by UMUC Teaching Hospital, 780 persons with stable heart disease were treated. Half of the subjects were treated with drugs and half underwent bypass surgery.

  American mortgages-broiler chicken

The data consists of random sample of 30 households from the 2007 American Community Survey. Construct a frequency distribution and a histogram for each data set.

  Probability notation

What is a probability notation? What are the advantages and disadvantages of using a probability notation? How does probability notation aid in decision making?

  Sample size for clinical trial

Suppose that the incidence of MI is 0.005 per year among subjects who are actually take placebo and that aspirin prevents 20% of MIs

  Probability that contaminated can is selected for testing

What is the probability that the contaminated can is selected for testing?

  Proper use of regression analysis

Think of a case in which regression analysis was used, but not properly. For instance, discuss situations in which regression analysis is not appropriate and does not add useful information to our understanding of a set of data.

  Hypothesis testing using ols and robust regression

How does the efficiency of a regression predict the power of the t-test? How do robust standard errors change the comparison between hypothesis testing using OLS and robust regression? What does dependence in the e do to the t-test? what does non-no..

  What is the probability sample mean

The mean television viewing time for Americans is 15 hours per week (Money, November 2003). Assume a sample of 60 Americans is taken to further investigate viewing habits. Suppose the population standard deviation for weekly viewing time is Q = 4..

  Political decisions and national mean

Which measure of family wealth is most important, when making political decisions, the national mean, median or mode?

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