Answer:
Mean revenue = 250.69 billion
Median revenue = 193.3 billion
Explanation:
Finding the mean revenue:
- The mean is the average of the data
- To find it, we divide the sum of the data by the total number of data points in a data set.
Since we're already determine that there are 9 revenues in the data set, we find the mean by dividing the sum of the revenues by 9:
Mean = 146.5 + 152.7 + 161.9 + 172.9 + 193.3 + 215.1 + 282.8 + 407 + 524) / 9
Mean = 2256.2 / 9
Mean = 250.6888889
Mean = 250.69
Thus, the mean revenue is about 250.69 billion.
Finding the median revenue:
- The median lies in the middle of a data set and separates the lower and upper halves.
When finding the median, we first arrange the data in order from least to greatest:
146.5, 152.7, 161.9, 172.9, 193.3, 215.1, 282.8, 407, 524
- Since we have 9 data points, the median will have 4 values to the left and right of it.
- Since 193.3 has 4 values to the left and right of it, its the median.
Thus, the median revenue is 193.3 billion.