For part b we have to find lower, upper (under) , frequency, percent and cumulative percent

the following questions, use the following set of data of marks for students in a Health Math II class: 74.6 55.5 73.8 78.4 69.3 68.9 75.6 72.9 70.7 78.5 63.2 57.8 70.1 65.8 79.0 67.6 79.5 59.3 79.2 62.5 a. Use the 2* guideline to determine the number of class intervals for the set of data. Determine the class interval width for the set of data. b. Develop a grouped frequency distribution based on the 2" calculations performed in part a). Lower Upper Frequency Percent Cumulative