4. Describe the set of inputs, the function rule, and the set of outputs for each function. 1. The amount of battery charge of a cellular phone is a function of the number of hours of use. 2. An athlete's shoe size is a function of the athlete's length of foot. 3. The amount of water on graduated cylinder displaced by same- size marbles is a function of the number of marbles. 4. The hardness of sounds one hears is a function of his/her distance from the source of sound. 5. The number of text messages that can be sent depends on the amount of prepaid load bought.
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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