What proportion of students majored in psychology? (Make sure you show your work)
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.
Short Answer Questions 6-9 will use the data below representing a frequency distribution for majors in the School of Liberal Arts and Education.
X |
F |
Sociology |
50 |
Psychology |
40 |
Criminal Justice |
60 |
Political Science |
25 |
Music |
20 |
Journalism |
15 |
Drama |
0 |
- What proportion of students majored in psychology? (Make sure you show your work)
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