I only need help with 17 and 19 use the indicated data to construct the frequency distribution

17. Burger King Lunch Service Times Refer to Data Set 36 "Fast Food" and use the drive- through service times for Burger King lunches. Begin with a lower class limit of 70 seconds and use a class width of 40 seconds. - 18. Burger King Dinner Service Times Refer to Data Set 36 "Fast Food" and use the drive- through service times for Burger King dinners. Begin with a lower class limit of 30 seconds and use a class width of 40 seconds. 19. Freshman 15 Refer to Data Set 13 "Freshman 15" and use the second column, which lists weights (kg) in September of college freshmen. Begin with a lower class limit of 40 kg and use a class width of 10 kg. Does the distribution appear to be a normal distribution