ACTIVITIES Activity 1: TRUE or FALSE Read each item carefully. Write true if the statement is correct and write false if the statement is incorrect. 1. A histogram is closely similar to bar graph. 2. The class mark is the midpoint of the class interval. 3. The range is the difference of the lowest score and the highest score. 4. The symbol of frequency is f. 5. Tally mark is not useful in finding the frequency of score.​