Cumulative Relative Percent relative Class Interval Frequency (f) frequency (cf) frequency frequency 150 to less than 8 8 늘 = 0.267 26.7% 30 156 156 to less than 8 8 + 8 = 16 %3D 30 0. 267 26.7% 162 162 to less than 3 16+ 3 = 19 * = 0. 1 10% 168 168 to less than 19 + 6 = 25 음= 0.2 20% 174 More than 174 25 + 5 = 30 긁 = 0.167 16.7% ΣΙ-Ν 30
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.
d. By using the frequency distribution table find the
student’s heights.
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