Indicate whether the variables concerned are Nominal, Ordinal, Interval or Ratio. CLASSIFICATIO CLASSIFICATIO VARIABLES VARIABLES N N Gender: male or female Marital Status Skin Color Academic Performance Temperature of the room Political Affiliation Your Height (in centimeters) Family size Population of Mango Tree Courses offered in the College Weight of the Baby Social Class Your Blood Type Business Classification Community of Cow Number of students in this room Enrollees from Elementary to college Your phone number Level of Aggressiveness Residents in Olongapo City Salary Grade Volume of Water Academic Ranks
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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