Mrs. Kelso and Mr. Bonham gave each of their students a small bag of colored tiles. The students each counted the number of purple tiles they received. The box plots display the data for both classes. Purple Tiles Mrs. Kelso's class Mr. Bonham's class 10 15 20 Number of Purple Tiles Which statement is best supported by the information in the box plots? A The range of the data for Mr. Bonham's class is less than the range of the data for Mrs. Kelso's class. B The data for Mrs. Kelso's class are more symmetrical than the data for Mr. Bonham's class. C The median number of the data for Mr. Bonham's class is less than the median number of the data for Mrs. Kelso's class. D The interquartile range of the data for Mrs. Kelso's class is greater than the interquartile range of the data for Mr. Bonham's class.
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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