In summer you may have observed that sometimes the temperature does not feel like what the temperature is shown by weather applications on your mobile phone, this is because the temperature that we feel depends on more than just measure of the temperature, this gives rise to a notion of apparent temperature index which accurately represent the temperature that we feel. The apparent temperature index is given by A = 0.885t – 22.4h + 1.20h - 0.544 and is a function of humidity h, and temperature t. When t = 20 °F and h = 0.90 find -аnd at ah
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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