Estimate the arithmetic mean of the following data
`19, 26, 29, 37, 39`
Verify your answers by actual calculations.

Estimate the arithmetic mean of the following data : 17, 25, 28, 35, 40. Verify your answers by actual calculations.

find the arithmetic mean of the following data.

Calculate the mean for the following data

Estimate the arithmetic mean of the following data 1, 15, 2, 9, 9, 1, 1, 11, 12, 12, 10, 10, 17, 2 Verify your answers by actual calculations.

Estimate the arithmetic mean of the following data : 5, 6, 7, 8, 8, 10 10, 10, 12, 12, 13, 19,19,19,20. Verify your answers by actual calculations.

Find the modes of the following data. 26, 15, 19, 16, 18, 17, 20, 14, 13, 25

Calculate the mean deviation about median for the following data :

Find the mean deviation about the median for the following data: 3, 9, 5, 3, 12, 10, 18, 4, 7, 19, 21.

Marks of 12 students in a unit test are given as 4, 21, 13, 17, 5, 9, 10, 20, 19, 12, 20, 14, Assume a mean and calculate the arithmetic mean of the data. Assume another number as mean and calculate the arithmetic mean again. Do you get the same result? Comment.