For example, a size 100 box has 100 apples of equal size for a combined weight of 42 pounds. Other standard sizes range from 48 to 216. The following table gives approximate masses of different sizes of apples. We are given the following data about 36 size-80 apples of three different varieties. We will construct line plots for this data.
Line plots are quick and simple ways to organize data.
From a line plot it is easy to spot the largest and smallest values, outliers, clusters, and gaps in the data. It gives a nice presentation of the distribution and shows us a technique for computing the median value. Draw a horizontal line and put a scale of numbers on the line that runs from the least to the largest values of the data. In our examples above our scale will run from 190 to 266 for the Red Delicious apples and 180 to 256 for the other two varieties. Then put an X at the appropriate value for each data value in your list.