Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 56.3 degrees. Low Temperature 40-44 45-49 50-54 55-59 60-64 Frequency 3 6 13 7 3
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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| Low Temperature | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 |
| Frequency | 3 | 6 | 13 | 7 | 3 |
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