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Statistics and Sampling Articles

Can Time Series Decomposition Allow Us To Settle The Score On Which Sport Is Best?

April 16th, 2013

April 2013 Every fan loves his sport.  There is much debate over which sports are growing in popularity and which are on the decline.  Although [...]

Seventh Circuit Bars Class Certification Because Of Damages

March 18th, 2013

March 2013 The Seventh Circuit decided Espenscheid vs. DirectSat, Inc., (No. 12-1943, February 4, 2013), upholding the district court’s decision to not certify a class [...]

Top Five Reasons That Chocolate Doesn’t Create More Nobel Laureates For Your Country

March 4th, 2013

March 2013 The article “Chocolate Consumption, Cognitive Function, and Nobel Laureates” recently published in the New England Journal of Medicine (NEJM) demonstrates that even published [...]

Beware Of Poll Results

August 2nd, 2007

June 2011   Based on results of its May 2011 survey, the Associated Press (AP) reported that President Obama hit his highest approval rating in [...]

Interactive Chi-Square Calculator Illustrates Independence Testing

April 19th, 2007

June 2010   Statisticians describe independence as whether the occurrence of one event or characteristic makes it neither more nor less probable that other event(s) [...]

First Law Signed By Obama Will Increase Employment Discrimination Litigation

April 18th, 2007

February 2009   The first piece of legislation signed by President Obama is the Lilly Ledbetter Fair Pay Act of 2009 (“FPA”). This anti-discrimination law [...]

Using Statistics To Establish (Or Disprove) Relationships

April 15th, 2007

February 2011   Statisticians describe independence as whether the occurrence of one event or characteristic makes it neither more nor less probable that other event(s) [...]

Is There Really A Relationship Between Public Union Contracts And States’ Fiscal Messes?

March 18th, 2007

March 2011 The recent political standoff in Wisconsin over the collective bargaining rights and benefits of public union employees received significant national attention and will [...]

RIF Statistical Audits Reduce Discrimination Risks

March 18th, 2007

March 2009   Unfortunately, current difficult economic times are forcing many employers to lay off employees. Employers considering a reduction in force (RIF) can reduce [...]

Poor Surveys Get Opposite Poll Results

March 18th, 2007

March 2011  Most national polling organizations are independent and do not have an agenda they want to advance. Independent and accurate polling is the basic [...]

Federal Health Care Fraud Enforcement Efforts Recover Record Amounts

February 18th, 2007

February 2011   U.S. Department of Health and Human Services (HHS) released its required annual Health Care Fraud and Abuse Control Program report. The report [...]

A Primer On Creating & Using Surveys

February 18th, 2007

February 2011   Opinion polls (surveys) are used extensively to understand almost everything that cannot be looked up as a scientific fact. Polls are reported [...]

Calculating Sample Size

January 18th, 2007

Sampling is an accepted way of making estimates at a much lower cost and when done properly, statistics can provide useful information regarding the likelihood [...]