The box-and-whisker plots show the annual incomes of employees at two businesses. Which statements describe these box-and-whisker plots? Select all that apply. Business A Business B 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 Annual Income (in thousands) O The median is greater for business A. The maximum salary is the same for both companies. The interquartile range is the same for both businesses. O Business A has half of the employees making more than $75,000. O Business B has one-fourth of the employees making less than $60,000. O O O OO
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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