The mean absolute deviation about the median for the data 3, 9, 5, 3, 12, 10, 18, 4, 7, 19, 21 (rounded off to two decimal places) is.

For accepting or rejecting a null hypothesis, which one of the following is NOT used as a significance test method in statistics?

The untimely loss of life is a cause of serious global concern as thousands of people get killed ________ accidents every year while many other die ________ dis...