1 the commuting times of an employee are show in 10 consecutive days in minutes: 71 67 67 70 78 72 75 70 74 77 The interquartile range of the data set is 5 minutes. interpret this IQR in context A. the middle 50% of the sorted commute times has a range of 5 minutes B. the most common commute tint was 5 minutes c. the average commute time was 5 minutes D. the median of the commute time is 5 minutes
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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