The data to the right shows the number of graduating students with business majors at a university over the last 15 years. 275 249 223 199 269 242 263 257 231 204 236 a. Construct a box-and-whisker plot for this data. b. Identify the five-number summary. 216 210 193 187 ..... a) Choose the correct box-and-whisker plot of the data below. s O A. Ов. Oc. ti ....... tic 150 200 250 300 150 200 250 300 150 200 250 300 0-000 b) The five-number summary is (Use ascending order.)
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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