A professor grades student on 4 quizzes a project and a final examination each quiz counts as 12% of the quiz grade. The project counts as 22% of the course grade.The final examination counts as 30%of the course grade.Achaiah has quiz score of 75 80 85 and 90.His project score is 95and his final examination score is 92.Use the weighted mean formula to find Achaiah average for the course
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.
A professor grades student on 4 quizzes a project and a final examination each quiz counts as 12% of the quiz grade. The project counts as 22% of the course grade.The final examination counts as 30%of the course grade.Achaiah has quiz score of 75 80 85 and 90.His project score is 95and his final examination score is 92.Use the weighted mean formula to find Achaiah average for the course
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