The cholesterol levels of an adult can be described by a normal model with a mean of 184 mg/dL and a standard deviation of 30. a) Draw and label the normal model. O A. OB. Oc. 1301541e6104 214 22 EM124 184 244 304364 .b) What percent of adults do you expect to have cholesterol levels over 190 mg/dL? (Round to two decimal places as needed.) c) What percent of adults do you expect to have cholesterol levels between 130 and 180 mg/dL? % (Round to two decimal places as needed.) internuartile range of cholesterol levels
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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