Q) Consider the following ungrouped data: 41 46 7 46 32 5 14 28 48 49 8 49 48 25 41 8 22 46 40 48 Find the following: Arithmetic mean Geometric mean Harmonic mean Median Mode Range Mean deviation Variance Standard Deviation
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.
Q) Consider the following ungrouped data:
41 46 7 46 32 5 14 28 48 49 8 49 48 25 41 8 22 46 40 48
Find the following:
Arithmetic
Geometric mean
Harmonic mean
Mean deviation
Variance
Standard Deviation
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