The ages of the 5 officers for a school club are 18, 18, 17, 16, and 15. The range of the distribution of ages is 3. The table displays all possible samples of size 2 and the corresponding ranges for each sample. Sample n 2 Sample Range 18, 17 18, 16 18, 16 18, 15 18, 15 3 17, 16 17, 15 16 18, 18 18, 17 1 1 Using the values in the table, is the sample range an unbiased estimator? O Yes, 3 is the maximum of the sample ranges. O Voe the ranne of the cam dietrihutinn of the eamnle ranne ie ? Save and Exit Next Submit Mark this and return
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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