The mean of runs scored by a cricket team in the last 10 innings is 276. If the scores are 235, 400, 351, x, 100, 315, 410, 165, 260, 284, then find the runs scored in the fourth innings.

Find the mode of 2, 5, 5, 1, 3, 2, 2, 1, 3, 5, 3.

The number of goals scored by a football team is given below. Find the mode and median for the data of 2, 3, 2, 4, 6, 1, 3, 2, 4, 1, 6.

The average marks of six students is 8. One more student mark is added and the mean is still 8. Find the student mark that has been added.

Find the median of the given data: 14, −3, 0, −2, −8, 13, −1, 7.