1.2 Describing Distributions with Numbers. Describe the Histogram in terms of center, shape, spread, and outliers???. The most common measure of center (A.K.A. average) Denoted by The Mean is considered Non-resistant because it is sensitive to extreme values. May or may not be outliers .
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Describe the Histogram in terms of center, shape, spread, and outliers???
** 1 – Var stats on your Calculator gives them all to you.Measuring Spread: Range & the Quartiles
The 5# Summary consists of the smallest and largest observations from a set of data along with .
Min M Max
Min M MaxExample 4: Create a boxplot for each set of data. What can you conclude?
Measures spread by looking at how far the observations are from the mean.
s measures spread about the mean and should be used only when the mean is used.
*** 5# Summary is usually better than the mean and standard deviation for describing a skewed distribution. Use the mean and standard deviation for data that is reasonably symmetric