Discussion
Mean, Median and Mode are :
Answer: D
Mean, median and mode are measures of central tendency.
Each gives a single typical value around which the data cluster. The mean is the arithmetic average, the median is the middle value when the data are arranged in order, and the mode is the most frequent value.
Measures of deviation (dispersion), such as range, standard deviation and variance, describe the spread of data. Measures of association, such as correlation coefficients, describe the relationship between two variables, and ways of sampling, such as random or stratified sampling, are methods of selecting cases, not summary statistics.
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