Problems 13 - 17: The box-plot represents the number of tacos sold each day at Mighty Taco during the month of April. IGHTE TACO _13. What is the range of # of tacos sold per day? 14. What is the interquartile range? 15. What is the median? _16. On how many days did they sell more than 2100 tacos? -17. What is the value of P75? 1800 1900 2000 2100 2200 2300 1700

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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.