4.0 3.8 3.7 3.6 3.6 3.2 3.1 3.0 2.9 2.8 2.5 2.2 2.1 2.0 1.8 1.1 Using the dataset above, fill in the following frequency table. Write your classes in interval notation using [LB,UB] and use a class width of 0.5 and the first bin starting with 1.0. Round your relative frequencies to at least 4 decimal places.
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.
4.0 |
3.8 |
3.7 |
3.6 |
3.6 |
3.2 |
3.1 |
3.0 |
2.9 |
2.8 |
2.5 |
2.2 |
2.1 |
2.0 |
1.8 |
1.1 |
Using the dataset above, fill in the following frequency table. Write your classes in interval notation using [LB,UB] and use a class width of 0.5 and the first bin starting with 1.0.
Round your relative frequencies to at least 4 decimal places.
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