Here is a FDT for a small data set: data freq 35 2 36 4 37 3 38 4 39 7 Find the following measures of central tendency. mean = median= mode=
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.
Here is a FDT for a small data set:
| data | freq |
|---|---|
| 35 | 2 |
| 36 | 4 |
| 37 | 3 |
| 38 | 4 |
| 39 | 7 |
Find the following measures of
mean =
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