CL f 3 - 9 10 - 16 17 - 23 24 - 30 4 11 8 4 Find (a) Mode (b) Mid-Range (c ) Mean ( d) Median ( e) sd
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.
| CL | f |
|
3 - 9 10 - 16 17 - 23 24 - 30 |
4 11 8 4 |
Find (a) Mode
(b) Mid-Range
(c ) Mean
( d) Median
( e) sd
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