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How is the term confidence interval defined?
A term used in inferential statistics which measures the probability that a population parameter will fall between two set values. The confidence can take any number of probabilities, with most common probabilities being : 95% or 99%.
Would it be descriptive or inferential statistics to say that in the year 2010 that 148 million Americans will be enrolled in an HMO?
The question was posted in 2013 and so it is quite possible that the actual numbers for 2010 were available from some study. If that was the case, then the statement would be descriptive. However, it could be based on the number of Americans employed in HMOs in an earlier year together with projections based on other measures. In that case, it would be inferential.
What is Meaning of Regression in Statistics?
It measures associations between variables.
Statistic is resistant?
Which descriptive summary measures are considered to be resistant statistics
What is the different between measures of center and measures of variability?
The answer lies in the question! The first lot measure where the centre of a distribution or observation lies while the second lot are a measure of the distance of individual observations from the centre.
