4. The cost of 12 models of mobile phones at a cellular specialty store during 2009 was as follows: P5 500, P10 200, P9 750, P6 800, P14 000, P12 000, P13 000, P23 000, P 12 900, P10 000, P11 000, P13 000.
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.
Please answer 4,5,6,7 only. no need for an explanation/solution if it won't fit in the answers page. I just need all4 questions to be answered. Thank you! :)
for number 4, determine the median :)
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