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In the presence of heteroscedasticity OLS estimators are biased as well as inefficient?
They are still unbiased however they are inefficient since the variances are no longer constant. They are no longer the "best" estimators as they do not have minimum variance
Advantages and disadvantages of method of moment estimators?
It's simple but its quality is not comparable to Maximum likelihood estimation method.
Who invented maximum likelihood classification?
Sir Ronald Fisher introduced the method of maximum likelihood estimators in 1922. He first presented the numerical procedure in 1912.
An estimator is consistent if as the sample size decreases the value of the estimator approaches the value of the parameter estimated F?
I believe you want to say, "as the sample size increases" I find this definition on Wikipedia that might help: In statistics, a consistent sequence of estimators is one which converges in probability to the true value of the parameter. Often, the sequence of estimators is indexed by sample size, and so the consistency is as sample size (n) tends to infinity. Often, the term consistent estimator is used, which refers to the whole sequence of estimators, resp. to a formula that is used to obtain a term of the sequence. So, I don't know what you mean by "the value of the parameter estimated F", as I think you mean the "true value of the parameter." A good term for what the estimator is attempting to estimate is the "estimand." You can think of this as a destination, and your estimator is your car. Now, if you all roads lead eventually to your destination, then you have a consistent estimator. But if it is possible that taking one route will make it impossible to get to your destination, no matter how long you drive, then you have an inconsistent estimator. See related links.
How do use measurable in a sentence?
We need measurable criteria to assess your progress.
Who is the patron saint of estimators?
There is no patron saint of estimators.
Are free income tax estimators as good as paid estimators?
Yes, a free income tax estimator can be as good as a paid income tax estimator. A tax estimator just allows you to have an estimate of your tax return.
Where can one find construction estimators in California?
There are many construction estimators in California. The best construction estimators can be found with the help of websites such as Home Advisor and Thumb Tack.
How does a traffic estimator operate?
Traffic estimators give you an estimate of how many readers you can expect to get with a published article. All of this depends on the type of keywords you use and how well you use them in your article. Most estimators will help you generate good keywords to put into your articles as well.
What are the criteria of good speech choir?
Good speech choir performances typically involve clear enunciation, synchronized movement, harmonious blending of voices, appropriate pacing and rhythm, compelling delivery of emotions, and effective use of gestures and facial expressions to enhance the overall presentation.
Why do estimators need to visit the site of the proposed work before pricing the tender?
Why do estimators need to visit the site of the proposed work before pricing the tender?
Which websites offer reasonably accurate tax return estimators?
Accurate tax estimators can be found on www.turbotax.com and hrblock.com. Some other websites are www.taxact.com and www.taxbrain.com
Criteria for good research?
Good research should be based on a clear research question, use reliable and valid data sources, employ appropriate research methods, and provide well-supported conclusions. It should also be transparent in its methods and findings, capable of being replicated by others, and contribute new knowledge to the field.
Estimator?
Cost estimators are vital to the financial success of manufacturers, builders, and businesses. It’s the responsibility of an estimator to accurately access and analyze the costs to complete any given project. Estimators must factor in the cost of equipment, materials, supplies, labor, profit margin, and unexpected events, such as shipping delays and weather. The vast majority of estimators work within the construction industry, however, many are employed by manufacturers and government agencies.Estimator TrainingBecause there is no formal degree for cost estimators, some companies prefer candidates with a strong work history or a bachelor’s degree in a related field. Candidates with a bachelor’s degrees in accounting, business, construction, economics, engineering and statistics have successfully become professional estimators. Many of these fields include cost estimating classes at the undergraduate level. Government agencies and some companies require estimators to complete a voluntary professional certification. Professional estimator certifications are issued by various organizations, including the American Society of Professional Estimators, the Association for the Advancement of Cost Engineering, and the Society of Cost Estimating and Analysis. To qualify for certification, estimators must pass a written exam and have two years of work experience as an estimator.Careers as an EstimatorApproximately 60% of estimators work within the construction industry with the remainder employed by manufacturers. The most successful cost estimators can be promoted to project manager or go on to an independent consulting career. Due to the nature of the industry, estimators are required to work in the office and in the field. After performing an on-site analysis, estimators return to the office to prepare a full report and bid. In large companies, estimators may act as intermediaries between executives, subcontractors, and partners.Average Salary for EstimatorsOn average, cost estimators earn between $55,000 and $60,000 annually depending on the industry. Estimators in entry-level positions earned more than $33,000 in 2008, however, the highest-paid estimators earned $94,000. Due to growth in the construction industry and the need for additional infrastructure, job openings for cost estimators are projected to grow rapidly over the next decade. According to the Bureau of Labor Statistics, more than 55,000 new job openings for cost estimators are expected by 2018.
What are the criteria for effective planning?
Effective planning should be clear, specific, and measurable in order to set achievable goals. It should also consider available resources and potential obstacles to make the plan realistic. Additionally, involving stakeholders in the planning process can increase buy-in and commitment to the plan.
In the presence of heteroscedasticity OLS estimators are biased as well as inefficient?
They are still unbiased however they are inefficient since the variances are no longer constant. They are no longer the "best" estimators as they do not have minimum variance
What brands of electricity bill estimators are there?
Consumerpowers, Csgnetwork, getrichslowly are all very trusted and highly recommend electricity bill estimators which are on the internet. There are some other supplies but not with the same trustworthiness.
