In some 4.0 grading systems, a student's grade point average (GPA) is calculated by assigning letter grades the following numerical values. A = 4.00 B− = 2.67 D+ = 1.33 A− = 3.67 C+ = 2.33 D = 1.00 B+ = 3.33 C = 2.00 D− = 0.67 B = 3.00 C− = 1.67 F = 0.00 Use this grading system to find this student's GPA. Round to the nearest hundredth. Jerry's Grades, Fall Semester Course Course grade Credit hours English A 3 Anthropology A− 3 Chemistry B+ 4 French C+ 3 Theatre B− 2
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.
In some 4.0 grading systems, a student's grade point average (GPA) is calculated by assigning letter grades the following numerical values.
A | = | 4.00 | B− | = | 2.67 | D+ | = | 1.33 | |||
A− | = | 3.67 | C+ | = | 2.33 | D | = | 1.00 | |||
B+ | = | 3.33 | C | = | 2.00 | D− | = | 0.67 | |||
B | = | 3.00 | C− | = | 1.67 | F | = | 0.00 |
Use this grading system to find this student's GPA. Round to the nearest hundredth.
Course | Course grade |
Credit hours |
---|---|---|
English | A | 3 |
Anthropology | A− | 3 |
Chemistry | B+ | 4 |
French | C+ | 3 |
Theatre | B− | 2 |
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