The areas of 21 certain regions, in square miles, ranges from 47 to 819 with Q1=228, median=329 and Q3=476. The full data set follows. 47 103 130 192 221 228 234 267 307 312 329 362 365 423 468 476 500 527 569 642 819 In a boxplot, what would be the values to which the whiskers extend? A. −144, 848 B. −43, 701 C. 47, 819 D. 228, 476
Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.
47
|
103
|
130
|
192
|
221
|
228
|
234
|
267
|
307
|
312
|
329
|
362
|
365
|
423
|
468
|
476
|
500
|
527
|
569
|
642
|
819
|
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