First arrange the data set in increasing/decreasing order as follows. The data set has 5 values

33,76.86,86,92

Mean would be sum of the 5 values of the data set divided by 5. It would be 373/5= 74.6

Median would be the middle value of the Data set. It is the 3^rd value from either end of the Data set. It is 86.

Mode is the most frequently occurring value in the Data set. It is also 86, which is occurring twice. .

Since the Data set has a outlier, 33 which is significantly different fro the other values, hence Mean would not be the best measure of central tendency, Hence best measure tendency would be 86

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