uled commercial carriers. Fatalities data include those Departures Fatal Year (millions) Accidents Fatalities on the ground except for the September 11, 2001, terrorist attacks. Use this information given in the table. For fatalities the mean = 66.7, the median 14.5 and the mode = 2. The year 2001 was clearly an anomaly. If the data for that year is reduced by 239 fatalities, which of the three measures change and what are their new values for each of the following? 1999 10.9 15 2000 11.1 25 2001 10.6 497 2002 10.3 2003 10.2 14 2004 10.8 1 37 2005 10.9 3. 14 2006 10.6 59 2007 10.7 2008 10.6 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. (Simplify your answer. Type an integer or O A. The new mode = the mean and the median remain the same. O B. The new median = the median and mode remain the same. O C. The new mean = the median and mode remain the same. O D. The mean, the median and the mode remain the same.
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.
The table pertains to scheduled commercial carriers. Fatalities data include those on the ground except for the September 11, 2001, terrorist attacks. Use this information given in the table. For fatalities the mean an = 66.7 the median = 14.5 and the
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