Mean, Median, Mode

Question 1: Your cost of electricity for the first four months of the year is given in the table below. What is the average electricity cost?











Question 2: Find the median test score for the students in the table below:











Question 3: An award for best education improvement is awarded annually to a winning US state, and the the winners from 2000 to 2010 are given in the table below. Find the mode of this set of states.











Question 4: Calculate the average value of the retirements accounts of the following five employees:











Question 5: Find the median of the following set of numbers:











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