The mean is the total of the numbers divided by how many. You can manually enter the values in the formula as shown below. While the mean and median require some calculations a mode value can be found simply by counting the number of times each value occurs.
It will look something like this.
The final answer is 784. To find the mean use AVERAGE or AVERAGEA. You can find the mean by adding all of the numbers in the data table together and then dividing them by the number of numbers you added together. The final answer is 784.