6. For a population with a mean of u. standard deviation of o = a. Find the z-score for each of the following X values. = 100 and a 20, X = 108 X = 90 X = 115 X 130 X = 88 X = 95 b. Find the score (X value) that corresponds to each of the following z-scores. z = -0.40 %3D z = -0.50 z = 1.80 z = -1.25 z = 0.75 z = 1.50
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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