Which of the following data sets has the smallest standard deviation? a. 1, 2, 3, 4, 5 b. 100, 100, 100, 100, 100 c. 100, 101, 102, 103, 104 d. 2, 4, 6, 8, 10
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.
Which of the following data sets has the smallest standard deviation?
| a. |
1, 2, 3, 4, 5 |
|
| b. |
100, 100, 100, 100, 100 |
|
| c. |
100, 101, 102, 103, 104 |
|
| d. |
2, 4, 6, 8, 10 |
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