Ellen takes the subway and bus to school for her Quantway class. She makes the follawing table of her trip to BMCC over 5 days: Monday 50 min Tuesday 1 hour Wednesday 55 min Thursday 55 min Friday 1 hour 5 min Which is true? Statement l The mean is greater than the medlan. Statement II: The mode is less than the mean. Statement IlI: The median is greater than the mode. a) Only Statement I is true. b) Only Statement II is true. c) Statement I and Il are true but Statement IIl is false.
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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