This time you are very much prepared to accomplish the final assessment for this module. You go back to page 1, "Let's Prepare" for the reminders and rubrics and be able to apply the skills learned in the lessons given. The senior high school department of KSKC University found out that the final grade of 500 grade 12 students is normally distributed with a mean of 90 and standard deviation of 10. (This is an assumed data only) Interpretation With Highest Honors With High Honors Grades 97-100 95-96 90-94 75-89 74 and below With Honors Average Failed 1. If 74 is the failing grade, how many students got failed?
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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