For numbers 17-19, please refer to the following: The test scores of 19 students are listed below 36 45 49 53 55 56 59 61 62 65 67 72 77 80 81 85 91 94 96 17. Find the 34th percentile. Interpret the result. A. 59; 59% of the scores falls below 34 B. 61; 34% of the scores falls below 61 C. 59; 34% of the scores falls below 59 D. 61; 61% of the scores falls below 34 18. Find the 7th decile. Interpret the result. A. 77; 7% of the scores falls below 77 EDIFICA
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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