The depths (in inches) at which 10 artifacts are found are listed. Complete parts (a) and (b) below. 31.1 33.4 31.6 27 6 44.3 22.1 23.2 35.6 34.4 37.4 (a) Find the range of the data set. Range = (Round to the nearest tenth as needed.) (b) Change 44.3 to 54.4 and find the range of the new data set. Range = (Round to the nearest tenth as needed.)
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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