Question

A random sampling of 30 students are selected. The number of times they eat at a campus are shown in the following.

50 41 72 46 19 46

61 63 36 61 38 26

61 28 25 61 21 20

26 73 46 54 34 37

56 32 24 31 47 67

1. The frequency of the class 35 under 45 is
2. The cumulative frequency of the class with the interval 45 under 55 is
3. The class midpoint with the interval 45 under 55 is
4. The relative frequency of the class 25 under 35 is
5. The cumulative frequency of the class with the interval 45 under 55 is

Answer 1