One graph in the figure represents a normal distribution with mean u = 8 and standard deviation a = 3. The other graph represents a normal distribution with mean u = 13 and standard deviation a= 3. Determine which graph is which and explain how you know. E 13 Choose the correct answer below. O A. Graph A has a mean ofu = 13 and graph B has a mean of u = 8 because a larger mean shifts the graph to the left. O B. Graph A has a mean of u= 8 and graph B has a mean of u= 13 because a larger mean shifts the graph to the right. OC. Graph A has a mean of u= 8 and graph B has a mean of p = 13 because a larger mean shifts the graph to the left. O D. Graph A has a mean of u = 13 and graph B has a mean of u = 8 because a larger mean shifts the graph to the right.
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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