. Make frequency distribution and back-to-back stem & leaf plot of the following data sets. Data set (Male): 22, 53, 29, 35, 27, 45, 25, 31, 63, 62, 23, 57, 62, 39, 45, 52, 27, 33, 65. Data set (Female): 19, 43, 23, 31, 24, 35, 22, 53, 52, 18, 47, 52, 29, 35, 42, 23, 33, 55, 61.
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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