Find the areas for the following z values. Use standard normal table. Provide your answers to four decimal places (4 dp.) Area to the left of z=0.00 - Area to the left of z=2.33 -
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.
Find the areas for the following z values. Use standard normal table.
Provide your answers to four decimal places (4 dp.)
Area to the left of z=0.00
-
Area to the left of z=2.33
-
Using your calculator in STAT MODE, find the mean and standard deviation of the following sample for the variable age (Round to 3 dp).
18 18 20 20 23 25 29 35
Mean :
Standard Deviation :
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