The runs scored by a batsman in 5 ODIs are 31, 97, 112, 63, and 12. Find the standard deviation. Calculate the range of the given sets of data 7, 47, 8, 42, 47, 95, 42, 96, 2. Find the arithmetic mean of the set of data: 6, 1, 5, 8, and 10. The mean of a distribution is 14 and the standard deviation is 5. Find the coefficient of variance. Find the median of the calls received on 7 consecutive days 11, 13, 17, 13, 23, 25, 19.
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.
- The runs scored by a batsman in 5 ODIs are 31, 97, 112, 63, and 12. Find the standard deviation.
- Calculate the
range of the given sets of data 7, 47, 8, 42, 47, 95, 42, 96, 2. - Find the arithmetic
mean of the set of data: 6, 1, 5, 8, and 10. - The mean of a distribution is 14 and the standard deviation is 5. Find the coefficient of variance.
- Find the
median of the calls received on 7 consecutive days 11, 13, 17, 13, 23, 25, 19.
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