List of top Mathematics Questions on Mean, median, mode and standard deviation

A survey conducted on 20 households in a locality resulted in the following frequency table. The mode of the data is:

The mode of the data \(5,\ 7,\ 9,\ 7,\ 11,\ 13,\ 7,\ 15,\ 17,\ 19\) is:

The value which occurs most frequently in a data set is called:

Mean, Median and Mode of a data are related by the relation