4. Which set of ordered pairs does not represent a function? Explain why you chose that answer. a) { (1,-8), (-6, -4), (3,7), (-6,1)} b) { (6,7), (-7, 8), (-4,8), (1,2) } c) { (7,-5), (-8, 2), (-4,6), (1,6) } d) { (-5,5), (5, 1), (6,1), (2,-4) }
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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