3) Age Assumed Office Age Patrick Leahy 34 Mark Pryor Senator Age Age Age John Barrasso 54 Senator Age Senator Senator Senator Carl Levin 44 Tammy Baldwin 50 Mike Johanns 58 John Boozman 60 Кay Hagan Jerry Moran 39 Rand Paul 47 Barbara Boxer 52 55 Brian Schatz 40 John Comyn 50 Claire MeCaskill 53- 56 Jim Risch 65 John Thune 43
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.
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