Consumers Digest looked at the contents of nutrition barssnack bars that claim to give the user extra

Question:

Consumers Digest looked at the contents of nutrition bars—snack bars that claim to give the user extra energy and/or nutrition. The calorie content of 20 of the best known of these bars is given in the table below

Show the calorie data in a frequency table and construct the corresponding bar chart. Use x to represent the possible calorie contents—190, 200, etc., and use f(x ) to count the number of bars at each of these calorie levels.