What is the mode of the given data?

5, 7, 9, 7, 3, 7, 5, 7, 8, 6, 7

The median of a set of 11 distinct observations is 73.2. If each of the largest five observations of the set is increased by 3, then the median of the new set:

Find the standard deviation of the following data (rounded off to two decimal places). 5, 3, 4, 7 

The median of the following data will be _________. 

32, 25,33,27, 35, 29 and 30 

Find the standard deviation of the following data (rounded off to two decimal places). 

5, 3, 4, 7 

The mode of the following data is __________.

13,15,31,12,27,13,27,30,27,28 and16

For a sample data, mean = 60 and median = 48. For this distribution, the mode is:

The mean of 12 observations is 15. One more observation is included and the new mean becomes 16. The 13th observation is