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You know the minimum the maximum and the 25th 50th and 75th percentiles of a distribution. what measures of central tendency or variability can you determine?
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Why are measures of variability essential to inferential statistics?
Why are measures of variability essential to inferential statistics?
Can variability be negative?
The usual measures of variability cannot.
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.
What is the best measure of variability?
The best measure of variability depends on the specific characteristics of the data. Common measures include the range, standard deviation, and variance. The choice of measure should be made based on the distribution of the data and the research question being addressed.
What measures are not affected by outliers?
Median, mode, quartiles, quintiles and so on, except when you get to very large number of percentiles.
What is the pattern of a variability within a data set called?
The range, inter-quartile range (IQR), mean absolute deviation [from the mean], variance and standard deviation are some of the many measures of variability.
What does the multiple standard error of estimate measure?
It measures the error or variability in predicting Y.
What is a Measure of spread about the mean?
Standard error, standard deviation, variance, range, inter-quartile range as well as measures based on other percentiles.
When the mean of a distribution of scores of measures is higher than the median the distribution would be?
The distribution is skewed to the right.
What two data characteristics are usually measured using numerical descriptive measures?
Variability and Central Tendency (Stats Student)
Which is an initial response governing principle?
Determine and communicate protective measures
Biodiversity measures the number of species living within a?
Biodiversity measures the variety and variability of life forms within a given area. It includes diversity at the genetic, species, and ecosystem levels.
