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UNDERSTANDING STATISTICS: Understanding Variables - clarity on data
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All that you would like to know about Statistics and its magical powers in the real world. Wednesday, May 19, 2010. Understanding Variables - clarity on data. To understand the variable type is very much important in all the statistical analysis. Given below is the classification table on the statistical variables. Variables containing numerical responses. Eg. Temperature, Age, Monthly Income etc. Subscribe to: Post Comments (Atom). Quick Analysis on MS Excel. Understanding Variables - clarity on data.
expertstatistics.blogspot.com
UNDERSTANDING STATISTICS: Quick Analysis on MS Excel
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All that you would like to know about Statistics and its magical powers in the real world. Quick Analysis on MS Excel. This page contains excel sheets loaded with macros to produce quick and simple statistical analysis. You do not need any special software to run the analysis. Just enter the data in the respective files, follow the instructions and find your result and interpretation in just a few seconds. It is so simple! Subscribe to: Posts (Atom). Quick Analysis on MS Excel. Create your Like Badge.
expertstatistics.blogspot.com
UNDERSTANDING STATISTICS: June 2010
http://expertstatistics.blogspot.com/2010_06_01_archive.html
All that you would like to know about Statistics and its magical powers in the real world. Friday, June 11, 2010. The Concept of Probability. The mathematical theory of probability was discovered by two Frenchmen: Blaise Pascal and Pierre Fermat. Although gambling was the first to play a major role in the applications of probability, the subject has evaded the entire universe. In recent times, almost everything is described in terms of probabilities. 1) Relative frequency approach:. Note: The sum of prob...
expertstatistics.blogspot.com
UNDERSTANDING STATISTICS: Understanding Level of Measurement
http://expertstatistics.blogspot.com/2010/05/understanding-level-of-measurement.html
All that you would like to know about Statistics and its magical powers in the real world. Wednesday, May 19, 2010. Understanding Level of Measurement. It provides a classification used to describe the nature of the information contained within the variable. The classification level of the variable will determine the types of calculations that can be performed using the variable. Subscribe to: Post Comments (Atom). Quick Analysis on MS Excel. Understanding Variables - clarity on data. Measures of central...
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UNDERSTANDING STATISTICS: Correlation
http://expertstatistics.blogspot.com/2010/05/test-to-measure-relationship-between.html
All that you would like to know about Statistics and its magical powers in the real world. Saturday, May 29, 2010. While understanding the behaviour of the variables, measuring the relationship between the variables also becomes crucial. The coefficient explains the strength of the relationship between any two or more variables. Correlation is simplest tool used to measure the relationship. It is actually the covariance of standardized variables. Or it is the average of standardized covariance. Ordinal v...
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UNDERSTANDING STATISTICS: Simple Problems
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All that you would like to know about Statistics and its magical powers in the real world. There is also an ordinal variable with 3 options - mild moderate severe, measured Pre and Post. Which is the appropriate test to compare pre and post between ordinal data with 3 options? The study variable contains ordinal data containing 3 categories. A pairwise comparison should be made on this variable. To compare pairwise ordinal data, wilcoxon sign test is used. B Randomly selecting 70 sophomores entering the ...
expertstatistics.blogspot.com
UNDERSTANDING STATISTICS: The Concept of Probability
http://expertstatistics.blogspot.com/2010/06/concept-of-probability.html
All that you would like to know about Statistics and its magical powers in the real world. Friday, June 11, 2010. The Concept of Probability. The mathematical theory of probability was discovered by two Frenchmen: Blaise Pascal and Pierre Fermat. Although gambling was the first to play a major role in the applications of probability, the subject has evaded the entire universe. In recent times, almost everything is described in terms of probabilities. 1) Relative frequency approach:. Note: The sum of prob...
expertstatistics.blogspot.com
UNDERSTANDING STATISTICS: May 2010
http://expertstatistics.blogspot.com/2010_05_01_archive.html
All that you would like to know about Statistics and its magical powers in the real world. Saturday, May 29, 2010. While understanding the behaviour of the variables, measuring the relationship between the variables also becomes crucial. The coefficient explains the strength of the relationship between any two or more variables. Correlation is simplest tool used to measure the relationship. It is actually the covariance of standardized variables. Or it is the average of standardized covariance. Ordinal v...
expertstatistics.blogspot.com
UNDERSTANDING STATISTICS: Errors related to hypotheses
http://expertstatistics.blogspot.com/2010/11/errors-related-to-hypotheses.html
All that you would like to know about Statistics and its magical powers in the real world. Tuesday, November 9, 2010. Errors related to hypotheses. When dealing with analysis and interpretation of data, it is very important to identify errors related to analysis to obtain clear conclusion. The common errors related to Null Hypothesis are Type I and Type II errors. Another step is to increase the reliability or credibility of the data that is studied to prevent the occurrence. Quick Analysis on MS Excel.