The process of determining the midpoint of a frequency table involves adding together the lower and upper boundaries of a class interval and then dividing the total by two. This procedure allows us to pinpoint the central value of each interval. The significance of this operation is most evident when calculating the mean of grouped data as it offers a more precise depiction of how the data is distributed.
| Topic | Problem | Solution |
|---|---|---|
| None | A survey was taken, asking 60 people about the nu… | First, we calculate the midpoints of each group. The midpoint is calculated as \((lower \, limit + … |