The hourly compensation costs (in U.S. dollars) for production workers in selected countries are represented below. Class

Question:

The hourly compensation costs (in U.S. dollars) for production workers in selected countries are represented below.
Class Frequency
2.48–7.48.....7
7.49–12.49......3
12.50–17.50....1
17.51–22.51....7
22.52–27.52....5
27.53–32.53....5
Compare the mean of these grouped data to the U.S. mean of $21.97.
Find the :
Mean
Modal class