Determine whether the following data set is likely to be normally distributed. Explain the reasoning. The measured systolic blood pressure of randomly selected adult females. O A. Not normally distributed. Systolic blood pressures will be about the same for each person, causing a flat distribution curve characteristic of a uniform distribution. B. Normally distributed because any large data set yields normally distributed values. O C. Normally distributed. Systolic blood pressure levels vary above and below the mean by similar amounts. The distribution has one peak and is symmetric. Systolic blood pressure results from many factors. O D. Not normally distributed. Most people will have pressures above the average causing a peak in the distribution at the right. Click to select your answer.
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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