Suppose the following data is a realization (rounded) of a random sample onX. Obtain a histogram with the argument pr=T (data are in ex6111.rda).9 39 38 23 8 47 21 22 18 10 17 22 149 5 26 11 31 15 25 9 29 28 19 8
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.
Suppose the following data is a realization (rounded) of a random sample on
X. Obtain a histogram with the argument pr=T (data are in ex6111.rda).
9 39 38 23 8 47 21 22 18 10 17 22 14
9 5 26 11 31 15 25 9 29 28 19 8
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