The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 117 and standard deviation of 15 . Someone qualifies as having Stage 2 high blood pressure if their systolic blood pressure is 160 or higher. d. What two values divide this normal curve into a middle 97%, in other words, what two values represent the middle 97% of blood pressures? Put the lower number FIRST! and mmHg e. How many standard deviations
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 systolic blood pressure of adults in the USA is nearly
Someone qualifies as having Stage 2 high blood pressure if their systolic blood pressure is 160 or higher.
d. What two values divide this normal curve into a middle 97%, in other words, what two values represent the middle 97% of blood pressures? Put the lower number FIRST!
and mmHg
e. How many standard deviations away would a blood pressure of 140 be?
f. Would this be considered unusual?
- Not Unusual
- Very Unusual
- Somewhat Unusual
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