2745 703 302 242 119 40 7 1697 489 274 200 118 32 4 1656 430 274 198 115 31 978 334 255 129 92 17
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.
Rainmakers again The table lists the amount of rainfall
(in acre-feet) from the 26 clouds seeded with silver
iodide discussed in Exercise 32:a) Why is acre-feet a good way to measure the amount of
precipitation produced by cloud seeding?
b) Plot these data, and describe the distribution.
c) Create a re-expression of these data that produces a
more advantageous distribution.
d) Explain what your re-expressed scale means.
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