A well yield of 0.85 gallons/min/foot was measured in a well. Does this yield likely belong to the same distribution as the following data, or does it represent something larger? Answer by computing 95% parametric and nonparametric intervals. Which interval is more appropriate for these data?
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.
A well yield of 0.85 gallons/min/foot was measured in a well. Does this yield likely belong to
the same distribution as the following data, or does it represent something larger? Answer by
computing 95% parametric and nonparametric intervals. Which interval is more appropriate for
these data?
Unit well yields (in gal/min/ft)
0.001 0.030 0.10 0.003 0.040 0.454
0.007 0.041 0.49 0.020 0.077 1.020
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